312404321044202 has 16 divisors (see below), whose sum is σ = 496205292856392. Its totient is φ = 147003805800960.

The previous prime is 312404321044133. The next prime is 312404321044237. The reversal of 312404321044202 is 202440123404213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 308756522817961 + 3647798226241 = 17571469^2 + 1909921^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311752949 + ... + 312753432.

Almost surely, 2^{312404321044202} is an apocalyptic number.

312404321044202 is a deficient number, since it is larger than the sum of its proper divisors (183800971812190).

312404321044202 is a wasteful number, since it uses less digits than its factorization.

312404321044202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624521113.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 312404321044202 its reverse (202440123404213), we get a palindrome (514844444448415).

The spelling of 312404321044202 in words is "three hundred twelve trillion, four hundred four billion, three hundred twenty-one million, forty-four thousand, two hundred two".