132312031020 has 144 divisors (see below), whose sum is σ = 432747020160. Its totient is φ = 32529351168.

The previous prime is 132312031003. The next prime is 132312031021. The reversal of 132312031020 is 20130213231.

132312031020 is a `hidden beast` number, since 1 + 323 + 12 + 0 + 310 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 132312030984 and 132312031002.

It is not an unprimeable number, because it can be changed into a prime (132312031021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1905757 + ... + 1973963.

It is an arithmetic number, because the mean of its divisors is an integer number (3005187640).

Almost surely, 2^132312031020 is an apocalyptic number.

132312031020 is a gapful number since it is divisible by the number (10) 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 132312031020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216373510080).

132312031020 is an abundant number, since it is smaller than the sum of its proper divisors (300434989140).

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

132312031020 is a wasteful number, since it uses less digits than its factorization.

132312031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69064 (or 69059 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 132312031020 its reverse (20130213231), we get a palindrome (152442244251).

The spelling of 132312031020 in words is "one hundred thirty-two billion, three hundred twelve million, thirty-one thousand, twenty".