312403302104140 has 48 divisors (see below), whose sum is σ = 707314027079520. Its totient is φ = 115217981936640.

The previous prime is 312403302104119. The next prime is 312403302104171. The reversal of 312403302104140 is 41401203304213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 312403302104099 and 312403302104108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681695550 + ... + 682153669.

It is an arithmetic number, because the mean of its divisors is an integer number (14735708897490).

Almost surely, 2^{312403302104140} is an apocalyptic number.

It is an amenable number.

312403302104140 is an abundant number, since it is smaller than the sum of its proper divisors (394910724975380).

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

312403302104140 is a wasteful number, since it uses less digits than its factorization.

312403302104140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363850122 (or 1363850120 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 312403302104140 its reverse (41401203304213), we get a palindrome (353804505408353).

The spelling of 312403302104140 in words is "three hundred twelve trillion, four hundred three billion, three hundred two million, one hundred four thousand, one hundred forty".