2312101121031 has 64 divisors (see below), whose sum is σ = 3931104522240. Its totient is φ = 1332012211200.

The previous prime is 2312101121023. The next prime is 2312101121047. The reversal of 2312101121031 is 1301211012132.

2312101121031 is a `hidden beast` number, since 231 + 210 + 11 + 210 + 3 + 1 = 666.

2312101121031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2312101121031 - 2³ = 2312101121023 is a prime.

It is a super-2 number, since 2×2312101121031² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2312101120995 and 2312101121013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312101121431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2667370 + ... + 3426231.

It is an arithmetic number, because the mean of its divisors is an integer number (61423508160).

Almost surely, 2^{2312101121031} is an apocalyptic number.

2312101121031 is a deficient number, since it is larger than the sum of its proper divisors (1619003401209).

2312101121031 is a wasteful number, since it uses less digits than its factorization.

2312101121031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093693 (or 6093687 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2312101121031 its reverse (1301211012132), we get a palindrome (3613312133163).

The spelling of 2312101121031 in words is "two trillion, three hundred twelve billion, one hundred one million, one hundred twenty-one thousand, thirty-one".