31673051 has 2 divisors, whose sum is σ = 31673052. Its totient is φ = 31673050.

The previous prime is 31673003. The next prime is 31673063. The reversal of 31673051 is 15037613.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31673051 - 2⁶ = 31672987 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31673051.

It is not a weakly prime, because it can be changed into another prime (31673071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15836525 + 15836526.

It is an arithmetic number, because the mean of its divisors is an integer number (15836526).

Almost surely, 2^31673051 is an apocalyptic number.

31673051 is a deficient number, since it is larger than the sum of its proper divisors (1).

31673051 is an equidigital number, since it uses as much as digits as its factorization.

31673051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 31673051 is about 5627.8815730255. The cubic root of 31673051 is about 316.3952586151.

The spelling of 31673051 in words is "thirty-one million, six hundred seventy-three thousand, fifty-one".