131332444143232 has 16 divisors (see below), whose sum is σ = 261638853566850. Its totient is φ = 65666222071552.

The previous prime is 131332444143217. The next prime is 131332444143247. The reversal of 131332444143232 is 232341444233131.

It is an interprime number because it is at equal distance from previous prime (131332444143217) and next prime (131332444143247).

It can be written as a sum of positive squares in only one way, i.e., 67471504522816 + 63860939620416 = 8214104^2 + 7991304^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513017359807 + ... + 513017360062.

Almost surely, 2^{131332444143232} is an apocalyptic number.

It is an amenable number.

131332444143232 is a deficient number, since it is larger than the sum of its proper divisors (130306409423618).

131332444143232 is an equidigital number, since it uses as much as digits as its factorization.

131332444143232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026034719883 (or 1026034719871 counting only the distinct ones).

The product of its digits is 497664, while the sum is 40.

Adding to 131332444143232 its reverse (232341444233131), we get a palindrome (363673888376363).

The spelling of 131332444143232 in words is "one hundred thirty-one trillion, three hundred thirty-two billion, four hundred forty-four million, one hundred forty-three thousand, two hundred thirty-two".