31677049972 has 48 divisors (see below), whose sum is σ = 58051728000. Its totient is φ = 15105125504.

The previous prime is 31677049969. The next prime is 31677049973. The reversal of 31677049972 is 27994077613.

It is a hoax number, since the sum of its digits (55) 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 (31677049973) 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, 4452354 + ... + 4459462.

It is an arithmetic number, because the mean of its divisors is an integer number (1209411000).

Almost surely, 2^31677049972 is an apocalyptic number.

It is an amenable number.

31677049972 is a deficient number, since it is larger than the sum of its proper divisors (26374678028).

31677049972 is a wasteful number, since it uses less digits than its factorization.

31677049972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7608 (or 7606 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 55.

The spelling of 31677049972 in words is "thirty-one billion, six hundred seventy-seven million, forty-nine thousand, nine hundred seventy-two".