312130202100 has 72 divisors (see below), whose sum is σ = 903928478208. Its totient is φ = 83158060800.

The previous prime is 312130202053. The next prime is 312130202123. The reversal of 312130202100 is 1202031213.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 312130202100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152481 + ... + 804680.

Almost surely, 2^312130202100 is an apocalyptic number.

312130202100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312130202100 is an abundant number, since it is smaller than the sum of its proper divisors (591798276108).

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

312130202100 is a wasteful number, since it uses less digits than its factorization.

312130202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958265 (or 958258 counting only the distinct ones).

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

Adding to 312130202100 its reverse (1202031213), we get a palindrome (313332233313).

The spelling of 312130202100 in words is "three hundred twelve billion, one hundred thirty million, two hundred two thousand, one hundred".