13130431331 has 16 divisors (see below), whose sum is σ = 13650063360. Its totient is φ = 12617004960.

The previous prime is 13130431319. The next prime is 13130431361. The reversal of 13130431331 is 13313403131.

It is not a de Polignac number, because 13130431331 - 2⁶ = 13130431267 is a prime.

It is a super-2 number, since 2×13130431331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13130431297 and 13130431306.

It is not an unprimeable number, because it can be changed into a prime (13130431361) 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, 6987050 + ... + 6988928.

It is an arithmetic number, because the mean of its divisors is an integer number (853128960).

Almost surely, 2^13130431331 is an apocalyptic number.

13130431331 is a deficient number, since it is larger than the sum of its proper divisors (519632029).

13130431331 is a wasteful number, since it uses less digits than its factorization.

13130431331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13130431331 its reverse (13313403131), we get a palindrome (26443834462).

The spelling of 13130431331 in words is "thirteen billion, one hundred thirty million, four hundred thirty-one thousand, three hundred thirty-one".