310131111123 has 8 divisors (see below), whose sum is σ = 459453498000. Its totient is φ = 206754074064.

The previous prime is 310131111109. The next prime is 310131111167. The reversal of 310131111123 is 321111131013.

It is not a de Polignac number, because 310131111123 - 2²² = 310126916819 is a prime.

It is a super-2 number, since 2×310131111123² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 310131111096 and 310131111105.

It is not an unprimeable number, because it can be changed into a prime (310131111193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5743168698 + ... + 5743168751.

It is an arithmetic number, because the mean of its divisors is an integer number (57431687250).

Almost surely, 2^310131111123 is an apocalyptic number.

310131111123 is a deficient number, since it is larger than the sum of its proper divisors (149322386877).

310131111123 is a wasteful number, since it uses less digits than its factorization.

310131111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11486337458 (or 11486337452 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 310131111123 its reverse (321111131013), we get a palindrome (631242242136).

The spelling of 310131111123 in words is "three hundred ten billion, one hundred thirty-one million, one hundred eleven thousand, one hundred twenty-three".