31301110112031 has 24 divisors (see below), whose sum is σ = 45569824295424. Its totient is φ = 20702594848320.

The previous prime is 31301110112021. The next prime is 31301110112033. The reversal of 31301110112031 is 13021101110313.

It is not a de Polignac number, because 31301110112031 - 2⁷ = 31301110111903 is a prime.

It is a super-2 number, since 2×31301110112031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31301110111995 and 31301110112013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301110112033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50234965 + ... + 50854241.

It is an arithmetic number, because the mean of its divisors is an integer number (1898742678976).

Almost surely, 2^{31301110112031} is an apocalyptic number.

31301110112031 is a deficient number, since it is larger than the sum of its proper divisors (14268714183393).

31301110112031 is a wasteful number, since it uses less digits than its factorization.

31301110112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663631 (or 663628 counting only the distinct ones).

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

Adding to 31301110112031 its reverse (13021101110313), we get a palindrome (44322211222344).

The spelling of 31301110112031 in words is "thirty-one trillion, three hundred one billion, one hundred ten million, one hundred twelve thousand, thirty-one".