31955360974 has 4 divisors (see below), whose sum is σ = 47933041464. Its totient is φ = 15977680486.

The previous prime is 31955360953. The next prime is 31955360977. The reversal of 31955360974 is 47906355913.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×31955360974² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31955360977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7988840242 + ... + 7988840245.

It is an arithmetic number, because the mean of its divisors is an integer number (11983260366).

Almost surely, 2^31955360974 is an apocalyptic number.

31955360974 is a deficient number, since it is larger than the sum of its proper divisors (15977680490).

31955360974 is a wasteful number, since it uses less digits than its factorization.

31955360974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15977680489.

The product of its (nonzero) digits is 3061800, while the sum is 52.

The spelling of 31955360974 in words is "thirty-one billion, nine hundred fifty-five million, three hundred sixty thousand, nine hundred seventy-four".