31628380124 has 24 divisors (see below), whose sum is σ = 60395182848. Its totient is φ = 14373267440.

The previous prime is 31628380109. The next prime is 31628380127. The reversal of 31628380124 is 42108382613.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31628380127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119549 + ... + 278475.

It is an arithmetic number, because the mean of its divisors is an integer number (2516465952).

Almost surely, 2^31628380124 is an apocalyptic number.

It is an amenable number.

31628380124 is a deficient number, since it is larger than the sum of its proper divisors (28766802724).

31628380124 is a wasteful number, since it uses less digits than its factorization.

31628380124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163465 (or 163463 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 31628380124 in words is "thirty-one billion, six hundred twenty-eight million, three hundred eighty thousand, one hundred twenty-four".