31671763961474 has 72 divisors (see below), whose sum is σ = 59858892656640. Its totient is φ = 12525968643552.

The previous prime is 31671763961473. The next prime is 31671763961581. The reversal of 31671763961474 is 47416936717613.

It is a self number, because there is not a number n which added to its sum of digits gives 31671763961474.

It is not an unprimeable number, because it can be changed into a prime (31671763961473) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59074787 + ... + 59608505.

It is an arithmetic number, because the mean of its divisors is an integer number (831373509120).

Almost surely, 2^{31671763961474} is an apocalyptic number.

31671763961474 is a deficient number, since it is larger than the sum of its proper divisors (28187128695166).

31671763961474 is a wasteful number, since it uses less digits than its factorization.

31671763961474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537344 (or 537324 counting only the distinct ones).

The product of its digits is 96018048, while the sum is 65.

The spelling of 31671763961474 in words is "thirty-one trillion, six hundred seventy-one billion, seven hundred sixty-three million, nine hundred sixty-one thousand, four hundred seventy-four".