31201296839 has 2 divisors, whose sum is σ = 31201296840. Its totient is φ = 31201296838.

The previous prime is 31201296827. The next prime is 31201296877. The reversal of 31201296839 is 93869210213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31201296839 - 2²⁸ = 30932861383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31201296839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31201236839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15600648419 + 15600648420.

It is an arithmetic number, because the mean of its divisors is an integer number (15600648420).

Almost surely, 2^31201296839 is an apocalyptic number.

31201296839 is a deficient number, since it is larger than the sum of its proper divisors (1).

31201296839 is an equidigital number, since it uses as much as digits as its factorization.

31201296839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 31201296839 in words is "thirty-one billion, two hundred one million, two hundred ninety-six thousand, eight hundred thirty-nine".