131001341330444 has 72 divisors (see below), whose sum is σ = 273269724557760. Its totient is φ = 54431405056512.

The previous prime is 131001341330411. The next prime is 131001341330479. The reversal of 131001341330444 is 444033143100131.

It is a super-2 number, since 2×131001341330444² (a number of 29 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 131001341330444.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139600004 + ... + 140535275.

It is an arithmetic number, because the mean of its divisors is an integer number (3795412841080).

Almost surely, 2^{131001341330444} is an apocalyptic number.

It is an amenable number.

131001341330444 is an abundant number, since it is smaller than the sum of its proper divisors (142268383227316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131001341330444 is a wasteful number, since it uses less digits than its factorization.

131001341330444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280135359 (or 280135334 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 131001341330444 its reverse (444033143100131), we get a palindrome (575034484430575).

The spelling of 131001341330444 in words is "one hundred thirty-one trillion, one billion, three hundred forty-one million, three hundred thirty thousand, four hundred forty-four".