10312977532 has 48 divisors (see below), whose sum is σ = 21421606752. Its totient is φ = 4282490880.

The previous prime is 10312977527. The next prime is 10312977533. The reversal of 10312977532 is 23577921301.

It is a super-2 number, since 2×10312977532² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312977533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37453 + ... + 148420.

It is an arithmetic number, because the mean of its divisors is an integer number (446283474).

Almost surely, 2^10312977532 is an apocalyptic number.

It is an amenable number.

10312977532 is an abundant number, since it is smaller than the sum of its proper divisors (11108629220).

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

10312977532 is a wasteful number, since it uses less digits than its factorization.

10312977532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185998 (or 185996 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 10312977532 in words is "ten billion, three hundred twelve million, nine hundred seventy-seven thousand, five hundred thirty-two".