131031323400431 has 8 divisors (see below), whose sum is σ = 132629659376400. Its totient is φ = 129435789067200.

The previous prime is 131031323400389. The next prime is 131031323400463. The reversal of 131031323400431 is 134004323130131.

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 131031323400431 - 2³⁴ = 131014143531247 is a prime.

It is a super-2 number, since 2×131031323400431² (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 = 131031323400394 and 131031323400403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131031323600431) 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, 700316576 + ... + 700503653.

It is an arithmetic number, because the mean of its divisors is an integer number (16578707422050).

Almost surely, 2^{131031323400431} is an apocalyptic number.

131031323400431 is a deficient number, since it is larger than the sum of its proper divisors (1598335975969).

131031323400431 is a wasteful number, since it uses less digits than its factorization.

131031323400431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400821369.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 131031323400431 its reverse (134004323130131), we get a palindrome (265035646530562).

The spelling of 131031323400431 in words is "one hundred thirty-one trillion, thirty-one billion, three hundred twenty-three million, four hundred thousand, four hundred thirty-one".