131012303232 has 128 divisors (see below), whose sum is σ = 350722512000. Its totient is φ = 43330535424.

The previous prime is 131012303203. The next prime is 131012303251. The reversal of 131012303232 is 232303210131.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 131012303199 and 131012303208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31050819 + ... + 31055037.

It is an arithmetic number, because the mean of its divisors is an integer number (2740019625).

Almost surely, 2^131012303232 is an apocalyptic number.

131012303232 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 131012303232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175361256000).

131012303232 is an abundant number, since it is smaller than the sum of its proper divisors (219710208768).

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

131012303232 is a wasteful number, since it uses less digits than its factorization.

131012303232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4848 (or 4836 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131012303232 its reverse (232303210131), we get a palindrome (363315513363).

The spelling of 131012303232 in words is "one hundred thirty-one billion, twelve million, three hundred three thousand, two hundred thirty-two".