131321011232 has 48 divisors (see below), whose sum is σ = 272450267712. Its totient is φ = 62183827200.

The previous prime is 131321011223. The next prime is 131321011253. The reversal of 131321011232 is 232110123131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808958 + ... + 957629.

It is an arithmetic number, because the mean of its divisors is an integer number (5676047244).

Almost surely, 2^131321011232 is an apocalyptic number.

It is an amenable number.

131321011232 is an abundant number, since it is smaller than the sum of its proper divisors (141129256480).

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

131321011232 is a wasteful number, since it uses less digits than its factorization.

131321011232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766721 (or 1766713 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131321011232 its reverse (232110123131), we get a palindrome (363431134363).

The spelling of 131321011232 in words is "one hundred thirty-one billion, three hundred twenty-one million, eleven thousand, two hundred thirty-two".