131322013012 has 12 divisors (see below), whose sum is σ = 230359401076. Its totient is φ = 65505041280.

The previous prime is 131322013003. The next prime is 131322013027. The reversal of 131322013012 is 210310223131.

It can be written as a sum of positive squares in 2 ways, for example, as 42764585616 + 88557427396 = 206796^2 + 297586^2 .

It is a super-2 number, since 2×131322013012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38989413 + ... + 38992780.

Almost surely, 2^131322013012 is an apocalyptic number.

It is an amenable number.

131322013012 is a deficient number, since it is larger than the sum of its proper divisors (99037388064).

131322013012 is a wasteful number, since it uses less digits than its factorization.

131322013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77982618 (or 77982616 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131322013012 its reverse (210310223131), we get a palindrome (341632236143).

The spelling of 131322013012 in words is "one hundred thirty-one billion, three hundred twenty-two million, thirteen thousand, twelve".