31046642674 has 4 divisors (see below), whose sum is σ = 46569964014. Its totient is φ = 15523321336.

The previous prime is 31046642587. The next prime is 31046642689. The reversal of 31046642674 is 47624664013.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 29033774449 + 2012868225 = 170393^2 + 44865^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31046642674.

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 as a sum of consecutive naturals, namely, 7761660667 + ... + 7761660670.

Almost surely, 2^31046642674 is an apocalyptic number.

31046642674 is a deficient number, since it is larger than the sum of its proper divisors (15523321340).

31046642674 is a wasteful number, since it uses less digits than its factorization.

31046642674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15523321339.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 31046642674 in words is "thirty-one billion, forty-six million, six hundred forty-two thousand, six hundred seventy-four".