31200312047 has 2 divisors, whose sum is σ = 31200312048. Its totient is φ = 31200312046.

The previous prime is 31200312023. The next prime is 31200312071. The reversal of 31200312047 is 74021300213.

It is a balanced prime because it is at equal distance from previous prime (31200312023) and next prime (31200312071).

It is a cyclic number.

It is not a de Polignac number, because 31200312047 - 2²⁰ = 31199263471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31200332047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15600156023 + 15600156024.

It is an arithmetic number, because the mean of its divisors is an integer number (15600156024).

Almost surely, 2^31200312047 is an apocalyptic number.

31200312047 is a deficient number, since it is larger than the sum of its proper divisors (1).

31200312047 is an equidigital number, since it uses as much as digits as its factorization.

31200312047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The spelling of 31200312047 in words is "thirty-one billion, two hundred million, three hundred twelve thousand, forty-seven".