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3112103123131 = 11205432777317
BaseRepresentation
bin101101010010010111110…
…011010001100010111011
3102000111212211001222101111
4231102113303101202323
5401442041344420011
610341402550301151
7440561550036622
oct55222763214273
912014784058344
103112103123131
11a9a921098382
124231910577b7
1319761596c362
14aa8ab53a6b9
1555e462be121
hex2d497cd18bb

3112103123131 has 4 divisors (see below), whose sum is σ = 3112107020992. Its totient is φ = 3112099225272.

The previous prime is 3112103123117. The next prime is 3112103123147. The reversal of 3112103123131 is 1313213012113.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3112103123131 - 227 = 3111968905403 is a prime.

It is a super-2 number, since 2×31121031231312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112103123231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268116 + ... + 2509201.

It is an arithmetic number, because the mean of its divisors is an integer number (778026755248).

Almost surely, 23112103123131 is an apocalyptic number.

3112103123131 is a deficient number, since it is larger than the sum of its proper divisors (3897861).

3112103123131 is a wasteful number, since it uses less digits than its factorization.

3112103123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897860.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 3112103123131 its reverse (1313213012113), we get a palindrome (4425316135244).

The spelling of 3112103123131 in words is "three trillion, one hundred twelve billion, one hundred three million, one hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 1120543 2777317 3112103123131