16312090431 has 32 divisors (see below), whose sum is σ = 27222289920. Its totient is φ = 8458337664.

The previous prime is 16312090411. The next prime is 16312090469. The reversal of 16312090431 is 13409021361.

It is not a de Polignac number, because 16312090431 - 2⁶ = 16312090367 is a prime.

It is a super-2 number, since 2×16312090431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16312090411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490260 + ... + 522473.

It is an arithmetic number, because the mean of its divisors is an integer number (850696560).

Almost surely, 2^16312090431 is an apocalyptic number.

16312090431 is a deficient number, since it is larger than the sum of its proper divisors (10910199489).

16312090431 is a wasteful number, since it uses less digits than its factorization.

16312090431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012815.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 16312090431 in words is "sixteen billion, three hundred twelve million, ninety thousand, four hundred thirty-one".