312203130102 has 48 divisors (see below), whose sum is σ = 717638201280. Its totient is φ = 97753602816.

The previous prime is 312203130089. The next prime is 312203130139. The reversal of 312203130102 is 201031302213.

312203130102 is a `hidden beast` number, since 31 + 220 + 313 + 0 + 102 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 846478 + ... + 1157985.

It is an arithmetic number, because the mean of its divisors is an integer number (14950795860).

Almost surely, 2^312203130102 is an apocalyptic number.

312203130102 is an abundant number, since it is smaller than the sum of its proper divisors (405435071178).

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

312203130102 is a wasteful number, since it uses less digits than its factorization.

312203130102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004997 (or 2004994 counting only the distinct ones).

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

Adding to 312203130102 its reverse (201031302213), we get a palindrome (513234432315).

The spelling of 312203130102 in words is "three hundred twelve billion, two hundred three million, one hundred thirty thousand, one hundred two".