31545214230399 has 16 divisors (see below), whose sum is σ = 42568410057600. Its totient is φ = 20776096969056.

The previous prime is 31545214230371. The next prime is 31545214230433. The reversal of 31545214230399 is 99303241254513.

It is not a de Polignac number, because 31545214230399 - 2³⁵ = 31510854492031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31545214230329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5744517 + ... + 9802545.

It is an arithmetic number, because the mean of its divisors is an integer number (2660525628600).

Almost surely, 2^{31545214230399} is an apocalyptic number.

31545214230399 is a deficient number, since it is larger than the sum of its proper divisors (11023195827201).

31545214230399 is a wasteful number, since it uses less digits than its factorization.

31545214230399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089334.

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 31545214230399 in words is "thirty-one trillion, five hundred forty-five billion, two hundred fourteen million, two hundred thirty thousand, three hundred ninety-nine".