131200323031 has 2 divisors, whose sum is σ = 131200323032. Its totient is φ = 131200323030.

The previous prime is 131200323019. The next prime is 131200323047. The reversal of 131200323031 is 130323002131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131200323031 - 2²⁵ = 131166768599 is a prime.

It is a super-2 number, since 2×131200323031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131200323061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600161515 + 65600161516.

It is an arithmetic number, because the mean of its divisors is an integer number (65600161516).

Almost surely, 2^131200323031 is an apocalyptic number.

131200323031 is a deficient number, since it is larger than the sum of its proper divisors (1).

131200323031 is an equidigital number, since it uses as much as digits as its factorization.

131200323031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 131200323031 its reverse (130323002131), we get a palindrome (261523325162).

The spelling of 131200323031 in words is "one hundred thirty-one billion, two hundred million, three hundred twenty-three thousand, thirty-one".