131102020032 has 56 divisors (see below), whose sum is σ = 347125972752. Its totient is φ = 43668940800.

The previous prime is 131102020031. The next prime is 131102020073. The reversal of 131102020032 is 230020201131.

It is a junction number, because it is equal to n+sod(n) for n = 131102019993 and 131102020020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131102020031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17932 + ... + 512372.

Almost surely, 2^131102020032 is an apocalyptic number.

131102020032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131102020032 is an abundant number, since it is smaller than the sum of its proper divisors (216023952720).

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

131102020032 is a wasteful number, since it uses less digits than its factorization.

131102020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495837 (or 495827 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 131102020032 its reverse (230020201131), we get a palindrome (361122221163).

The spelling of 131102020032 in words is "one hundred thirty-one billion, one hundred two million, twenty thousand, thirty-two".