31860136283 has 2 divisors, whose sum is σ = 31860136284. Its totient is φ = 31860136282.

The previous prime is 31860136241. The next prime is 31860136303. The reversal of 31860136283 is 38263106813.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31860136283 - 2⁶ = 31860136219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31860136283.

It is not a weakly prime, because it can be changed into another prime (31860136183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15930068141 + 15930068142.

It is an arithmetic number, because the mean of its divisors is an integer number (15930068142).

Almost surely, 2^31860136283 is an apocalyptic number.

31860136283 is a deficient number, since it is larger than the sum of its proper divisors (1).

31860136283 is an equidigital number, since it uses as much as digits as its factorization.

31860136283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 31860136283 in words is "thirty-one billion, eight hundred sixty million, one hundred thirty-six thousand, two hundred eighty-three".