131303443424 has 24 divisors (see below), whose sum is σ = 258566551488. Its totient is φ = 65635747840.

The previous prime is 131303443391. The next prime is 131303443471. The reversal of 131303443424 is 424344303131.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365057 + ... + 629184.

It is an arithmetic number, because the mean of its divisors is an integer number (10773606312).

Almost surely, 2^131303443424 is an apocalyptic number.

It is an amenable number.

131303443424 is a deficient number, since it is larger than the sum of its proper divisors (127263108064).

131303443424 is an equidigital number, since it uses as much as digits as its factorization.

131303443424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998378 (or 998370 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 131303443424 its reverse (424344303131), we get a palindrome (555647746555).

The spelling of 131303443424 in words is "one hundred thirty-one billion, three hundred three million, four hundred forty-three thousand, four hundred twenty-four".