13160331431 has 24 divisors (see below), whose sum is σ = 15078449904. Its totient is φ = 11415905280.

The previous prime is 13160331319. The next prime is 13160331493. The reversal of 13160331431 is 13413306131.

It is a de Polignac number, because none of the positive numbers 2^k-13160331431 is a prime.

It is a super-2 number, since 2×13160331431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13160331431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13160331031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2856776 + ... + 2861378.

It is an arithmetic number, because the mean of its divisors is an integer number (628268746).

Almost surely, 2^13160331431 is an apocalyptic number.

13160331431 is a deficient number, since it is larger than the sum of its proper divisors (1918118473).

13160331431 is a wasteful number, since it uses less digits than its factorization.

13160331431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411 (or 5394 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13160331431 its reverse (13413306131), we get a palindrome (26573637562).

The spelling of 13160331431 in words is "thirteen billion, one hundred sixty million, three hundred thirty-one thousand, four hundred thirty-one".