31013213312010 has 32 divisors (see below), whose sum is σ = 76998322707840. Its totient is φ = 7985011243328.

The previous prime is 31013213311999. The next prime is 31013213312027. The reversal of 31013213312010 is 1021331231013.

It is a happy number.

It is a super-2 number, since 2×31013213312010² (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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17823684942 + ... + 17823686681.

It is an arithmetic number, because the mean of its divisors is an integer number (2406197584620).

Almost surely, 2^{31013213312010} is an apocalyptic number.

31013213312010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31013213312010 is an abundant number, since it is smaller than the sum of its proper divisors (45985109395830).

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

31013213312010 is a wasteful number, since it uses less digits than its factorization.

31013213312010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35647371662.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31013213312010 its reverse (1021331231013), we get a palindrome (32034544543023).

The spelling of 31013213312010 in words is "thirty-one trillion, thirteen billion, two hundred thirteen million, three hundred twelve thousand, ten".