31204402412047 has 2 divisors, whose sum is σ = 31204402412048. Its totient is φ = 31204402412046.

The previous prime is 31204402412023. The next prime is 31204402412059. The reversal of 31204402412047 is 74021420440213.

It is a strong prime.

It is an emirp because it is prime and its reverse (74021420440213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31204402412047 - 2³⁹ = 30654646598159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31204402412647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15602201206023 + 15602201206024.

It is an arithmetic number, because the mean of its divisors is an integer number (15602201206024).

Almost surely, 2^{31204402412047} is an apocalyptic number.

31204402412047 is a deficient number, since it is larger than the sum of its proper divisors (1).

31204402412047 is an equidigital number, since it uses as much as digits as its factorization.

31204402412047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 34.

The spelling of 31204402412047 in words is "thirty-one trillion, two hundred four billion, four hundred two million, four hundred twelve thousand, forty-seven".