31047674051 has 2 divisors, whose sum is σ = 31047674052. Its totient is φ = 31047674050.

The previous prime is 31047674041. The next prime is 31047674083. The reversal of 31047674051 is 15047674013.

It is a weak prime.

It is an emirp because it is prime and its reverse (15047674013) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31047674051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31047673996 and 31047674014.

It is not a weakly prime, because it can be changed into another prime (31047674041) by changing a digit.

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, 15523837025 + 15523837026.

It is an arithmetic number, because the mean of its divisors is an integer number (15523837026).

Almost surely, 2^31047674051 is an apocalyptic number.

31047674051 is a deficient number, since it is larger than the sum of its proper divisors (1).

31047674051 is an equidigital number, since it uses as much as digits as its factorization.

31047674051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

Subtracting from 31047674051 its sum of digits (38), we obtain a palindrome (31047674013).

The spelling of 31047674051 in words is "thirty-one billion, forty-seven million, six hundred seventy-four thousand, fifty-one".