31322009948 has 12 divisors (see below), whose sum is σ = 56088250680. Its totient is φ = 15296795472.

The previous prime is 31322009947. The next prime is 31322010001. The reversal of 31322009948 is 84990022313.

It is a super-2 number, since 2×31322009948² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322009947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91052183 + ... + 91052526.

It is an arithmetic number, because the mean of its divisors is an integer number (4674020890).

Almost surely, 2^31322009948 is an apocalyptic number.

It is an amenable number.

31322009948 is a deficient number, since it is larger than the sum of its proper divisors (24766240732).

31322009948 is a wasteful number, since it uses less digits than its factorization.

31322009948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182104756 (or 182104754 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 31322009948 in words is "thirty-one billion, three hundred twenty-two million, nine thousand, nine hundred forty-eight".