31011104947 has 2 divisors, whose sum is σ = 31011104948. Its totient is φ = 31011104946.

The previous prime is 31011104899. The next prime is 31011105043. The reversal of 31011104947 is 74940111013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31011104947 - 2¹⁵ = 31011072179 is a prime.

It is not a weakly prime, because it can be changed into another prime (31011105947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15505552473 + 15505552474.

It is an arithmetic number, because the mean of its divisors is an integer number (15505552474).

Almost surely, 2^31011104947 is an apocalyptic number.

31011104947 is a deficient number, since it is larger than the sum of its proper divisors (1).

31011104947 is an equidigital number, since it uses as much as digits as its factorization.

31011104947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 31011104947 in words is "thirty-one billion, eleven million, one hundred four thousand, nine hundred forty-seven".