312100100032 has 28 divisors (see below), whose sum is σ = 707798442160. Its totient is φ = 133757185536.

The previous prime is 312100100029. The next prime is 312100100107. The reversal of 312100100032 is 230001001213.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 312100099985 and 312100100021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348325557 + ... + 348326452.

Almost surely, 2^312100100032 is an apocalyptic number.

312100100032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312100100032 is an abundant number, since it is smaller than the sum of its proper divisors (395698342128).

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

312100100032 is an equidigital number, since it uses as much as digits as its factorization.

312100100032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696652028 (or 696652018 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 312100100032 its reverse (230001001213), we get a palindrome (542101101245).

The spelling of 312100100032 in words is "three hundred twelve billion, one hundred million, one hundred thousand, thirty-two".