100131332312 has 32 divisors (see below), whose sum is σ = 206506789200. Its totient is φ = 45514237120.

The previous prime is 100131332291. The next prime is 100131332317. The reversal of 100131332312 is 213233131001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131332317) 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, 4691237 + ... + 4712532.

Almost surely, 2^100131332312 is an apocalyptic number.

It is an amenable number.

100131332312 is an abundant number, since it is smaller than the sum of its proper divisors (106375456888).

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

100131332312 is an equidigital number, since it uses as much as digits as its factorization.

100131332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9403808 (or 9403782 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 100131332312 its reverse (213233131001), we get a palindrome (313364463313).

It can be divided in two parts, 1001 and 31332312, that added together give a palindrome (31333313).

The spelling of 100131332312 in words is "one hundred billion, one hundred thirty-one million, three hundred thirty-two thousand, three hundred twelve".