31070212455090 has 64 divisors (see below), whose sum is σ = 75224005678080. Its totient is φ = 8212746064320.

The previous prime is 31070212455089. The next prime is 31070212455181. The reversal of 31070212455090 is 9055421207013.

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 31 ways as a sum of consecutive naturals, for example, 3272764 + ... + 8535303.

It is an arithmetic number, because the mean of its divisors is an integer number (1175375088720).

Almost surely, 2^{31070212455090} is an apocalyptic number.

31070212455090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31070212455090 is an abundant number, since it is smaller than the sum of its proper divisors (44153793222990).

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

31070212455090 is a wasteful number, since it uses less digits than its factorization.

31070212455090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11808847.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 31070212455090 in words is "thirty-one trillion, seventy billion, two hundred twelve million, four hundred fifty-five thousand, ninety".