131404302232031 has 4 divisors (see below), whose sum is σ = 138320318139000. Its totient is φ = 124488286325064.

The previous prime is 131404302232019. The next prime is 131404302232079. The reversal of 131404302232031 is 130232203404131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131404302232031 - 2³⁸ = 131129424325087 is a prime.

It is a super-2 number, since 2×131404302232031² (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 = 131404302231985 and 131404302232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131404302832031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3458007953456 + ... + 3458007953493.

It is an arithmetic number, because the mean of its divisors is an integer number (34580079534750).

Almost surely, 2^{131404302232031} is an apocalyptic number.

131404302232031 is a deficient number, since it is larger than the sum of its proper divisors (6916015906969).

131404302232031 is an equidigital number, since it uses as much as digits as its factorization.

131404302232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6916015906968.

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

Adding to 131404302232031 its reverse (130232203404131), we get a palindrome (261636505636162).

The spelling of 131404302232031 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred two million, two hundred thirty-two thousand, thirty-one".