131304043402031 has 8 divisors (see below), whose sum is σ = 139199662110240. Its totient is φ = 123427519299328.

The previous prime is 131304043401977. The next prime is 131304043402097. The reversal of 131304043402031 is 130204340403131.

It is a happy number.

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-131304043402031 is a prime.

It is a super-2 number, since 2×131304043402031² (a number of 29 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 = 131304043401985 and 131304043402003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131304043404031) 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, 4773637211 + ... + 4773664716.

It is an arithmetic number, because the mean of its divisors is an integer number (17399957763780).

Almost surely, 2^{131304043402031} is an apocalyptic number.

131304043402031 is a deficient number, since it is larger than the sum of its proper divisors (7895618708209).

131304043402031 is an equidigital number, since it uses as much as digits as its factorization.

131304043402031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9547302753.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 131304043402031 its reverse (130204340403131), we get a palindrome (261508383805162).

The spelling of 131304043402031 in words is "one hundred thirty-one trillion, three hundred four billion, forty-three million, four hundred two thousand, thirty-one".