131531353032 has 64 divisors (see below), whose sum is σ = 339849768960. Its totient is φ = 42377716800.

The previous prime is 131531353007. The next prime is 131531353033. The reversal of 131531353032 is 230353135131.

It is not an unprimeable number, because it can be changed into a prime (131531353033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504907 + ... + 719717.

It is an arithmetic number, because the mean of its divisors is an integer number (5310152640).

Almost surely, 2^131531353032 is an apocalyptic number.

131531353032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131531353032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169924884480).

131531353032 is an abundant number, since it is smaller than the sum of its proper divisors (208318415928).

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

131531353032 is a wasteful number, since it uses less digits than its factorization.

131531353032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215674 (or 215670 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 30.

Adding to 131531353032 its reverse (230353135131), we get a palindrome (361884488163).

The spelling of 131531353032 in words is "one hundred thirty-one billion, five hundred thirty-one million, three hundred fifty-three thousand, thirty-two".