131103302351431 has 8 divisors (see below), whose sum is σ = 136803939577344. Its totient is φ = 125402706262680.

The previous prime is 131103302351369. The next prime is 131103302351443. The reversal of 131103302351431 is 134153203301131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131103302351431 is a prime.

It is a super-2 number, since 2×131103302351431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131103302351393 and 131103302351402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103302351491) 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, 3681555 + ... + 16606036.

It is an arithmetic number, because the mean of its divisors is an integer number (17100492447168).

Almost surely, 2^{131103302351431} is an apocalyptic number.

131103302351431 is a deficient number, since it is larger than the sum of its proper divisors (5700637225913).

131103302351431 is a wasteful number, since it uses less digits than its factorization.

131103302351431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20568581.

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 131103302351431 its reverse (134153203301131), we get a palindrome (265256505652562).

The spelling of 131103302351431 in words is "one hundred thirty-one trillion, one hundred three billion, three hundred two million, three hundred fifty-one thousand, four hundred thirty-one".