31223112022010 has 32 divisors (see below), whose sum is σ = 58658643629712. Its totient is φ = 11954730411520.

The previous prime is 31223112021971. The next prime is 31223112022043. The reversal of 31223112022010 is 1022021132213.

It can be written as a sum of positive squares in 8 ways, for example, as 16906249581841 + 14316862440169 = 4111721^2 + 3783763^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 718411589 + ... + 718455048.

Almost surely, 2^{31223112022010} is an apocalyptic number.

31223112022010 is a deficient number, since it is larger than the sum of its proper divisors (27435531607702).

31223112022010 is a wasteful number, since it uses less digits than its factorization.

31223112022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436866738.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31223112022010 its reverse (1022021132213), we get a palindrome (32245133154223).

The spelling of 31223112022010 in words is "thirty-one trillion, two hundred twenty-three billion, one hundred twelve million, twenty-two thousand, ten".