31396772374 has 8 divisors (see below), whose sum is σ = 51376536648. Its totient is φ = 14271260160.

The previous prime is 31396772369. The next prime is 31396772383. The reversal of 31396772374 is 47327769313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713562987 + ... + 713563030.

It is an arithmetic number, because the mean of its divisors is an integer number (6422067081).

Almost surely, 2^31396772374 is an apocalyptic number.

31396772374 is a deficient number, since it is larger than the sum of its proper divisors (19979764274).

31396772374 is a wasteful number, since it uses less digits than its factorization.

31396772374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427126030.

The product of its digits is 4000752, while the sum is 52.

The spelling of 31396772374 in words is "thirty-one billion, three hundred ninety-six million, seven hundred seventy-two thousand, three hundred seventy-four".