31120013423039 has 2 divisors, whose sum is σ = 31120013423040. Its totient is φ = 31120013423038.

The previous prime is 31120013422951. The next prime is 31120013423183. The reversal of 31120013423039 is 93032431002113.

It is a weak prime.

It is an emirp because it is prime and its reverse (93032431002113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31120013423039 - 2³² = 31115718455743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31120013422996 and 31120013423014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31120013429039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15560006711519 + 15560006711520.

It is an arithmetic number, because the mean of its divisors is an integer number (15560006711520).

Almost surely, 2^{31120013423039} is an apocalyptic number.

31120013423039 is a deficient number, since it is larger than the sum of its proper divisors (1).

31120013423039 is an equidigital number, since it uses as much as digits as its factorization.

31120013423039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 31120013423039 in words is "thirty-one trillion, one hundred twenty billion, thirteen million, four hundred twenty-three thousand, thirty-nine".