31431402299 has 16 divisors (see below), whose sum is σ = 34377022176. Its totient is φ = 28500595200.

The previous prime is 31431402287. The next prime is 31431402389. The reversal of 31431402299 is 99220413413.

It is not a de Polignac number, because 31431402299 - 2²⁸ = 31162966843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31431402199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8500019 + ... + 8503715.

It is an arithmetic number, because the mean of its divisors is an integer number (2148563886).

Almost surely, 2^31431402299 is an apocalyptic number.

31431402299 is a deficient number, since it is larger than the sum of its proper divisors (2945619877).

31431402299 is a wasteful number, since it uses less digits than its factorization.

31431402299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 31431402299 in words is "thirty-one billion, four hundred thirty-one million, four hundred two thousand, two hundred ninety-nine".