31013130047 has 2 divisors, whose sum is σ = 31013130048. Its totient is φ = 31013130046.

The previous prime is 31013130013. The next prime is 31013130097. The reversal of 31013130047 is 74003131013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31013130047 - 2¹² = 31013125951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31013130007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15506565023 + 15506565024.

It is an arithmetic number, because the mean of its divisors is an integer number (15506565024).

Almost surely, 2^31013130047 is an apocalyptic number.

31013130047 is a deficient number, since it is larger than the sum of its proper divisors (1).

31013130047 is an equidigital number, since it uses as much as digits as its factorization.

31013130047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The spelling of 31013130047 in words is "thirty-one billion, thirteen million, one hundred thirty thousand, forty-seven".