12831933491 has 16 divisors (see below), whose sum is σ = 13967704800. Its totient is φ = 11718048000.

The previous prime is 12831933487. The next prime is 12831933493. The reversal of 12831933491 is 19433913821.

It is a cyclic number.

It is not a de Polignac number, because 12831933491 - 2² = 12831933487 is a prime.

It is a super-3 number, since 3×12831933491³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12831933493) 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, 472991 + ... + 499383.

It is an arithmetic number, because the mean of its divisors is an integer number (872981550).

Almost surely, 2^12831933491 is an apocalyptic number.

12831933491 is a deficient number, since it is larger than the sum of its proper divisors (1135771309).

12831933491 is a wasteful number, since it uses less digits than its factorization.

12831933491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26806.

The product of its digits is 139968, while the sum is 44.

The spelling of 12831933491 in words is "twelve billion, eight hundred thirty-one million, nine hundred thirty-three thousand, four hundred ninety-one".