131142402331 has 8 divisors (see below), whose sum is σ = 131301959360. Its totient is φ = 130982911488.

The previous prime is 131142402323. The next prime is 131142402379. The reversal of 131142402331 is 133204241131.

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 131142402331 - 2³ = 131142402323 is a prime.

It is a super-2 number, since 2×131142402331² (a number of 23 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 = 131142402296 and 131142402305.

It is not an unprimeable number, because it can be changed into a prime (131142402931) 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, 4762555 + ... + 4790011.

It is an arithmetic number, because the mean of its divisors is an integer number (16412744920).

Almost surely, 2^131142402331 is an apocalyptic number.

131142402331 is a deficient number, since it is larger than the sum of its proper divisors (159557029).

131142402331 is a wasteful number, since it uses less digits than its factorization.

131142402331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33093.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 131142402331 its reverse (133204241131), we get a palindrome (264346643462).

The spelling of 131142402331 in words is "one hundred thirty-one billion, one hundred forty-two million, four hundred two thousand, three hundred thirty-one".