131013323031 has 8 divisors (see below), whose sum is σ = 174689371120. Its totient is φ = 87339745152.

The previous prime is 131013323029. The next prime is 131013323039. The reversal of 131013323031 is 130323310131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131013323031 - 2¹ = 131013323029 is a prime.

It is a super-2 number, since 2×131013323031² (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 = 131013322989 and 131013323007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131013323039) 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, 490036 + ... + 708633.

It is an arithmetic number, because the mean of its divisors is an integer number (21836171390).

Almost surely, 2^131013323031 is an apocalyptic number.

131013323031 is a deficient number, since it is larger than the sum of its proper divisors (43676048089).

131013323031 is a wasteful number, since it uses less digits than its factorization.

131013323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235105.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 131013323031 its reverse (130323310131), we get a palindrome (261336633162).

The spelling of 131013323031 in words is "one hundred thirty-one billion, thirteen million, three hundred twenty-three thousand, thirty-one".