31112230231313 has 64 divisors (see below), whose sum is σ = 40647188938752. Its totient is φ = 23091104604480.

The previous prime is 31112230231297. The next prime is 31112230231339. The reversal of 31112230231313 is 31313203221113.

It is not a de Polignac number, because 31112230231313 - 2⁴ = 31112230231297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31112230231393) 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 63 ways as a sum of consecutive naturals, for example, 1184447606 + ... + 1184473872.

It is an arithmetic number, because the mean of its divisors is an integer number (635112327168).

Almost surely, 2^{31112230231313} is an apocalyptic number.

It is an amenable number.

31112230231313 is a deficient number, since it is larger than the sum of its proper divisors (9534958707439).

31112230231313 is a wasteful number, since it uses less digits than its factorization.

31112230231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29114.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 31112230231313 its reverse (31313203221113), we get a palindrome (62425433452426).

The spelling of 31112230231313 in words is "thirty-one trillion, one hundred twelve billion, two hundred thirty million, two hundred thirty-one thousand, three hundred thirteen".