31102301000137 has 2 divisors, whose sum is σ = 31102301000138. Its totient is φ = 31102301000136.

The previous prime is 31102301000093. The next prime is 31102301000179. The reversal of 31102301000137 is 73100010320113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27095814372496 + 4006486627641 = 5205364^2 + 2001621^2 .

It is a cyclic number.

It is not a de Polignac number, because 31102301000137 - 2³¹ = 31100153516489 is a prime.

It is not a weakly prime, because it can be changed into another prime (31102301000437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551150500068 + 15551150500069.

It is an arithmetic number, because the mean of its divisors is an integer number (15551150500069).

Almost surely, 2^{31102301000137} is an apocalyptic number.

It is an amenable number.

31102301000137 is a deficient number, since it is larger than the sum of its proper divisors (1).

31102301000137 is an equidigital number, since it uses as much as digits as its factorization.

31102301000137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The spelling of 31102301000137 in words is "thirty-one trillion, one hundred two billion, three hundred one million, one hundred thirty-seven", and thus it is an aban number.