131316113444 has 24 divisors (see below), whose sum is σ = 230261161536. Its totient is φ = 65527308000.

The previous prime is 131316113417. The next prime is 131316113483. The reversal of 131316113444 is 444311613131.

It is a super-2 number, since 2×131316113444² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131316113444.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6099539 + ... + 6121029.

It is an arithmetic number, because the mean of its divisors is an integer number (9594215064).

Almost surely, 2^131316113444 is an apocalyptic number.

It is an amenable number.

131316113444 is a deficient number, since it is larger than the sum of its proper divisors (98945048092).

131316113444 is a wasteful number, since it uses less digits than its factorization.

131316113444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24467 (or 24465 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

Adding to 131316113444 its reverse (444311613131), we get a palindrome (575627726575).

The spelling of 131316113444 in words is "one hundred thirty-one billion, three hundred sixteen million, one hundred thirteen thousand, four hundred forty-four".