31300112333231 has 16 divisors (see below), whose sum is σ = 36527240448000. Its totient is φ = 26809813699704.

The previous prime is 31300112333197. The next prime is 31300112333257. The reversal of 31300112333231 is 13233321100313.

It is a de Polignac number, because none of the positive numbers 2^k-31300112333231 is a prime.

It is a super-2 number, since 2×31300112333231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31300112333231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300112333261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31575851 + ... + 32552028.

It is an arithmetic number, because the mean of its divisors is an integer number (2282952528000).

Almost surely, 2^{31300112333231} is an apocalyptic number.

31300112333231 is a deficient number, since it is larger than the sum of its proper divisors (5227128114769).

31300112333231 is an equidigital number, since it uses as much as digits as its factorization.

31300112333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64129323 (or 64129309 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31300112333231 its reverse (13233321100313), we get a palindrome (44533433433544).

The spelling of 31300112333231 in words is "thirty-one trillion, three hundred billion, one hundred twelve million, three hundred thirty-three thousand, two hundred thirty-one".