31233013113210 has 16 divisors (see below), whose sum is σ = 74959231471776. Its totient is φ = 8328803496848.

The previous prime is 31233013113187. The next prime is 31233013113223. The reversal of 31233013113210 is 1231131033213.

It is a super-2 number, since 2×31233013113210² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520550218524 + ... + 520550218583.

It is an arithmetic number, because the mean of its divisors is an integer number (4684951966986).

Almost surely, 2^{31233013113210} is an apocalyptic number.

31233013113210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31233013113210 is an abundant number, since it is smaller than the sum of its proper divisors (43726218358566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31233013113210 is a wasteful number, since it uses less digits than its factorization.

31233013113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041100437117.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31233013113210 its reverse (1231131033213), we get a palindrome (32464144146423).

The spelling of 31233013113210 in words is "thirty-one trillion, two hundred thirty-three billion, thirteen million, one hundred thirteen thousand, two hundred ten".