31220506962 has 18 divisors (see below), whose sum is σ = 67646056023. Its totient is φ = 10406585772.

The previous prime is 31220506903. The next prime is 31220506979. The reversal of 31220506962 is 26960502213.

It can be written as a sum of positive squares in only one way, i.e., 15610253481 + 15610253481 = 124941^2 + 124941^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=124941.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 728823 + ... + 770469.

Almost surely, 2^31220506962 is an apocalyptic number.

31220506962 is an abundant number, since it is smaller than the sum of its proper divisors (36425549061).

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

31220506962 is an frugal number, since it uses more digits than its factorization.

31220506962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83302 (or 41652 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 31220506962 in words is "thirty-one billion, two hundred twenty million, five hundred six thousand, nine hundred sixty-two".