131445100344 has 64 divisors (see below), whose sum is σ = 347819472000. Its totient is φ = 41279621760.

The previous prime is 131445100321. The next prime is 131445100351. The reversal of 131445100344 is 443001544131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713754 + ... + 878825.

It is an arithmetic number, because the mean of its divisors is an integer number (5434679250).

Almost surely, 2^131445100344 is an apocalyptic number.

It is an amenable number.

131445100344 is an abundant number, since it is smaller than the sum of its proper divisors (216374371656).

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

131445100344 is a wasteful number, since it uses less digits than its factorization.

131445100344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592788 (or 1592784 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 131445100344 its reverse (443001544131), we get a palindrome (574446644475).

The spelling of 131445100344 in words is "one hundred thirty-one billion, four hundred forty-five million, one hundred thousand, three hundred forty-four".