131304331444424 has 8 divisors (see below), whose sum is σ = 246195621458310. Its totient is φ = 65652165722208.

The previous prime is 131304331444423. The next prime is 131304331444439. The reversal of 131304331444424 is 424444133403131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 131302218203524 + 2113240900 = 11458718^2 + 45970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (131304331444423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8206520715269 + ... + 8206520715284.

Almost surely, 2^{131304331444424} is an apocalyptic number.

It is an amenable number.

131304331444424 is a deficient number, since it is larger than the sum of its proper divisors (114891290013886).

131304331444424 is a wasteful number, since it uses less digits than its factorization.

131304331444424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16413041430559 (or 16413041430555 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 41.

Adding to 131304331444424 its reverse (424444133403131), we get a palindrome (555748464847555).

The spelling of 131304331444424 in words is "one hundred thirty-one trillion, three hundred four billion, three hundred thirty-one million, four hundred forty-four thousand, four hundred twenty-four".