13933470831 has 32 divisors (see below), whose sum is σ = 21961998336. Its totient is φ = 7689276000.

The previous prime is 13933470829. The next prime is 13933470839. The reversal of 13933470831 is 13807433931.

It is not a de Polignac number, because 13933470831 - 2¹ = 13933470829 is a prime.

It is a super-2 number, since 2×13933470831² (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 (13933470839) 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, 297846 + ... + 341436.

It is an arithmetic number, because the mean of its divisors is an integer number (686312448).

Almost surely, 2^13933470831 is an apocalyptic number.

13933470831 is a deficient number, since it is larger than the sum of its proper divisors (8028527505).

13933470831 is a wasteful number, since it uses less digits than its factorization.

13933470831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44123.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 13933470831 in words is "thirteen billion, nine hundred thirty-three million, four hundred seventy thousand, eight hundred thirty-one".