31013150400145 has 16 divisors (see below), whose sum is σ = 37496024248320. Its totient is φ = 24623774193024.

The previous prime is 31013150400079. The next prime is 31013150400173. The reversal of 31013150400145 is 54100405131013.

It is a cyclic number.

It is not a de Polignac number, because 31013150400145 - 2¹⁹ = 31013149875857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2199825 + ... + 8177134.

It is an arithmetic number, because the mean of its divisors is an integer number (2343501515520).

Almost surely, 2^{31013150400145} is an apocalyptic number.

It is an amenable number.

31013150400145 is a deficient number, since it is larger than the sum of its proper divisors (6482873848175).

31013150400145 is a wasteful number, since it uses less digits than its factorization.

31013150400145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10381464.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 31013150400145 its reverse (54100405131013), we get a palindrome (85113555531158).

The spelling of 31013150400145 in words is "thirty-one trillion, thirteen billion, one hundred fifty million, four hundred thousand, one hundred forty-five".