131303101331 has 8 divisors (see below), whose sum is σ = 139089449664. Its totient is φ = 123523712640.

The previous prime is 131303101309. The next prime is 131303101351. The reversal of 131303101331 is 133101303131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131303101331 - 2²² = 131298907027 is a prime.

It is a super-2 number, since 2×131303101331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303101351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701035 + ... + 1776548.

It is an arithmetic number, because the mean of its divisors is an integer number (17386181208).

Almost surely, 2^131303101331 is an apocalyptic number.

131303101331 is a deficient number, since it is larger than the sum of its proper divisors (7786348333).

131303101331 is a wasteful number, since it uses less digits than its factorization.

131303101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479821.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 131303101331 its reverse (133101303131), we get a palindrome (264404404462).

The spelling of 131303101331 in words is "one hundred thirty-one billion, three hundred three million, one hundred one thousand, three hundred thirty-one".