312003112302 has 64 divisors (see below), whose sum is σ = 792492963840. Its totient is φ = 89132034528.

The previous prime is 312003112297. The next prime is 312003112321. The reversal of 312003112302 is 203211300213.

312003112302 is a `hidden beast` number, since 3 + 120 + 0 + 311 + 230 + 2 = 666.

It is a super-2 number, since 2×312003112302² (a number of 24 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 3063483 + ... + 3163689.

It is an arithmetic number, because the mean of its divisors is an integer number (12382702560).

Almost surely, 2^312003112302 is an apocalyptic number.

312003112302 is an abundant number, since it is smaller than the sum of its proper divisors (480489851538).

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

312003112302 is a wasteful number, since it uses less digits than its factorization.

312003112302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108462 (or 108456 counting only the distinct ones).

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

Adding to 312003112302 its reverse (203211300213), we get a palindrome (515214412515).

The spelling of 312003112302 in words is "three hundred twelve billion, three million, one hundred twelve thousand, three hundred two".