31112404339 has 2 divisors, whose sum is σ = 31112404340. Its totient is φ = 31112404338.

The previous prime is 31112404319. The next prime is 31112404423. The reversal of 31112404339 is 93340421113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31112404339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31112404339.

It is not a weakly prime, because it can be changed into another prime (31112404319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556202169 + 15556202170.

It is an arithmetic number, because the mean of its divisors is an integer number (15556202170).

Almost surely, 2^31112404339 is an apocalyptic number.

31112404339 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112404339 is an equidigital number, since it uses as much as digits as its factorization.

31112404339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 31112404339 in words is "thirty-one billion, one hundred twelve million, four hundred four thousand, three hundred thirty-nine".