31502342099 has 16 divisors (see below), whose sum is σ = 33668498880. Its totient is φ = 29372206080.

The previous prime is 31502342063. The next prime is 31502342107. The reversal of 31502342099 is 99024320513.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31502342099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31502342009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807362 + ... + 845480.

It is an arithmetic number, because the mean of its divisors is an integer number (2104281180).

Almost surely, 2^31502342099 is an apocalyptic number.

31502342099 is a deficient number, since it is larger than the sum of its proper divisors (2166156781).

31502342099 is a wasteful number, since it uses less digits than its factorization.

31502342099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38590.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 31502342099 in words is "thirty-one billion, five hundred two million, three hundred forty-two thousand, ninety-nine".