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1031032031300 = 225243571419921
BaseRepresentation
bin11110000000011100100…
…11000100100001000100
310122120021101122221122122
433000032103010201010
5113343023200000200
62105352150345112
7134326635444335
oct17001623044104
93576241587578
101031032031300
11368292780357
121479a265b198
13762c240453b
1437c8b97a28c
151bc45c9c385
hexf00e4c4844

1031032031300 has 72 divisors (see below), whose sum is σ = 2293385526432. Its totient is φ = 402115392000.

The previous prime is 1031032031299. The next prime is 1031032031347. The reversal of 1031032031300 is 31302301301.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2245340 + ... + 2665260.

It is an arithmetic number, because the mean of its divisors is an integer number (31852576756).

Almost surely, 21031032031300 is an apocalyptic number.

1031032031300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031032031300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146692763216).

1031032031300 is an abundant number, since it is smaller than the sum of its proper divisors (1262353495132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031032031300 is a wasteful number, since it uses less digits than its factorization.

1031032031300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420549 (or 420542 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 1031032031300 its reverse (31302301301), we get a palindrome (1062334332601).

The spelling of 1031032031300 in words is "one trillion, thirty-one billion, thirty-two million, thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 172 215 430 571 860 1075 1142 2150 2284 2855 4300 5710 11420 14275 24553 28550 49106 57100 98212 122765 245530 419921 491060 613825 839842 1227650 1679684 2099605 2455300 4199210 8398420 10498025 18056603 20996050 36113206 41992100 72226412 90283015 180566030 239774891 361132060 451415075 479549782 902830150 959099564 1198874455 1805660300 2397748910 4795497820 5994372275 10310320313 11988744550 20620640626 23977489100 41241281252 51551601565 103103203130 206206406260 257758007825 515516015650 1031032031300