312304104 has 96 divisors (see below), whose sum is σ = 973926720. Its totient is φ = 88558848.

The previous prime is 312304099. The next prime is 312304123. The reversal of 312304104 is 401403213.

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

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, 66787 + ... + 71309.

It is an arithmetic number, because the mean of its divisors is an integer number (10145070).

Almost surely, 2^312304104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312304104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486963360).

312304104 is an abundant number, since it is smaller than the sum of its proper divisors (661622616).

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

312304104 is a wasteful number, since it uses less digits than its factorization.

312304104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679 (or 4672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 312304104 is about 17672.1278854585. The cubic root of 312304104 is about 678.4625762279.

Adding to 312304104 its reverse (401403213), we get a palindrome (713707317).

The spelling of 312304104 in words is "three hundred twelve million, three hundred four thousand, one hundred four".