131201344 has 14 divisors (see below), whose sum is σ = 260352794. Its totient is φ = 65600640.

The previous prime is 131201303. The next prime is 131201351. The reversal of 131201344 is 443102131.

It can be written as a sum of positive squares in only one way, i.e., 127961344 + 3240000 = 11312^2 + 1800^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024947 + ... + 1025074.

Almost surely, 2^131201344 is an apocalyptic number.

It is an amenable number.

131201344 is a deficient number, since it is larger than the sum of its proper divisors (129151450).

131201344 is an equidigital number, since it uses as much as digits as its factorization.

131201344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050033 (or 2050023 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131201344 is about 11454.3155186157. The cubic root of 131201344 is about 508.1353721935.

Adding to 131201344 its reverse (443102131), we get a palindrome (574303475).

The spelling of 131201344 in words is "one hundred thirty-one million, two hundred one thousand, three hundred forty-four".