131012223244031 has 4 divisors (see below), whose sum is σ = 131534184293064. Its totient is φ = 130490262195000.

The previous prime is 131012223244027. The next prime is 131012223244057. The reversal of 131012223244031 is 130442322210131.

It is a happy number.

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 131012223244031 - 2² = 131012223244027 is a prime.

It is a super-2 number, since 2×131012223244031² (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 = 131012223243985 and 131012223244003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012223246031) 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, 260980524140 + ... + 260980524641.

It is an arithmetic number, because the mean of its divisors is an integer number (32883546073266).

Almost surely, 2^{131012223244031} is an apocalyptic number.

131012223244031 is a deficient number, since it is larger than the sum of its proper divisors (521961049033).

131012223244031 is an equidigital number, since it uses as much as digits as its factorization.

131012223244031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521961049032.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 131012223244031 its reverse (130442322210131), we get a palindrome (261454545454162).

The spelling of 131012223244031 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-three million, two hundred forty-four thousand, thirty-one".