31474330388 has 36 divisors (see below), whose sum is σ = 57057153216. Its totient is φ = 15184940400.

The previous prime is 31474330387. The next prime is 31474330397. The reversal of 31474330388 is 88303347413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31474330387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 931103 + ... + 964313.

Almost surely, 2^31474330388 is an apocalyptic number.

It is an amenable number.

31474330388 is a deficient number, since it is larger than the sum of its proper divisors (25582822828).

31474330388 is a wasteful number, since it uses less digits than its factorization.

31474330388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33404 (or 33331 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 31474330388 in words is "thirty-one billion, four hundred seventy-four million, three hundred thirty thousand, three hundred eighty-eight".