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1131212100310 = 251373172604739
BaseRepresentation
bin10000011101100001011…
…111101101001011010110
311000010212010010202010221
4100131201133231023112
5122013210244202220
62223401025104554
7144504330126355
oct20354137551326
94003763122127
101131212100310
113a6820815a16
121632a078815a
1382899310396
143ca728b199c
151e65ac059aa
hex107617ed2d6

1131212100310 has 32 divisors (see below), whose sum is σ = 2057515382880. Its totient is φ = 447764881152.

The previous prime is 1131212100269. The next prime is 1131212100323. The reversal of 1131212100310 is 130012121311.

It is a happy number.

It is a super-2 number, since 2×11312121003102 (a number of 25 digits) contains 22 as substring.

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, 868080 + ... + 1736659.

It is an arithmetic number, because the mean of its divisors is an integer number (64297355715).

Almost surely, 21131212100310 is an apocalyptic number.

1131212100310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131212100310 is a deficient number, since it is larger than the sum of its proper divisors (926303282570).

1131212100310 is a wasteful number, since it uses less digits than its factorization.

1131212100310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605200.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1131212100310 its reverse (130012121311), we get a palindrome (1261224221621).

The spelling of 1131212100310 in words is "one trillion, one hundred thirty-one billion, two hundred twelve million, one hundred thousand, three hundred ten".

Divisors: 1 2 5 10 137 274 317 634 685 1370 1585 3170 43429 86858 217145 434290 2604739 5209478 13023695 26047390 356849243 713698486 825702263 1651404526 1784246215 3568492430 4128511315 8257022630 113121210031 226242420062 565606050155 1131212100310