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1031103231032 = 237531139330493
BaseRepresentation
bin11110000000100101000…
…10101011010000111000
310122120110100122021022202
433000102202223100320
5113343144411343112
62105403212405332
7134331461565620
oct17002242532070
93576410567282
101031103231032
11368319990806
12147a02476848
13763040a3164
1437c971d1880
151bc4c1636c2
hexf0128ab438

1031103231032 has 64 divisors (see below), whose sum is σ = 2251467161280. Its totient is φ = 433511350272.

The previous prime is 1031103231017. The next prime is 1031103231091. The reversal of 1031103231032 is 2301323011301.

It is a junction number, because it is equal to n+sod(n) for n = 1031103230995 and 1031103231013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33799178 + ... + 33829670.

It is an arithmetic number, because the mean of its divisors is an integer number (35179174395).

Almost surely, 21031103231032 is an apocalyptic number.

It is an amenable number.

1031103231032 is an abundant number, since it is smaller than the sum of its proper divisors (1220363930248).

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

1031103231032 is a wasteful number, since it uses less digits than its factorization.

1031103231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41952 (or 41948 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1031103231032 its reverse (2301323011301), we get a palindrome (3332426242333).

The spelling of 1031103231032 in words is "one trillion, thirty-one billion, one hundred three million, two hundred thirty-one thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 53 56 106 212 371 424 742 1484 2968 11393 22786 30493 45572 60986 79751 91144 121972 159502 213451 243944 319004 426902 603829 638008 853804 1207658 1616129 1707608 2415316 3232258 4226803 4830632 6464516 8453606 11312903 12929032 16907212 22625806 33814424 45251612 90503224 347406749 694813498 1389626996 2431847243 2779253992 4863694486 9727388972 18412557697 19454777944 36825115394 73650230788 128887903879 147300461576 257775807758 515551615516 1031103231032