131304234344 has 32 divisors (see below), whose sum is σ = 260284836000. Its totient is φ = 61925124672.

The previous prime is 131304234329. The next prime is 131304234377. The reversal of 131304234344 is 443432403131.

It is a super-2 number, since 2×131304234344² (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 131304234344.

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, 1851314 + ... + 1920929.

It is an arithmetic number, because the mean of its divisors is an integer number (8133901125).

Almost surely, 2^131304234344 is an apocalyptic number.

It is an amenable number.

131304234344 is a deficient number, since it is larger than the sum of its proper divisors (128980601656).

131304234344 is a wasteful number, since it uses less digits than its factorization.

131304234344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772497 (or 3772493 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 131304234344 its reverse (443432403131), we get a palindrome (574736637475).

The spelling of 131304234344 in words is "one hundred thirty-one billion, three hundred four million, two hundred thirty-four thousand, three hundred forty-four".