31612859263 has 2 divisors, whose sum is σ = 31612859264. Its totient is φ = 31612859262.

The previous prime is 31612859221. The next prime is 31612859297. The reversal of 31612859263 is 36295821613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31612859263 - 2¹³ = 31612851071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31612859563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15806429631 + 15806429632.

It is an arithmetic number, because the mean of its divisors is an integer number (15806429632).

Almost surely, 2^31612859263 is an apocalyptic number.

31612859263 is a deficient number, since it is larger than the sum of its proper divisors (1).

31612859263 is an equidigital number, since it uses as much as digits as its factorization.

31612859263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 46.

The spelling of 31612859263 in words is "thirty-one billion, six hundred twelve million, eight hundred fifty-nine thousand, two hundred sixty-three".