312045133020302 has 24 divisors (see below), whose sum is σ = 515961813423000. Its totient is φ = 141432282185040.

The previous prime is 312045133020301. The next prime is 312045133020317. The reversal of 312045133020302 is 203020331540213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312045133020301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1847254652 + ... + 1847423567.

It is an arithmetic number, because the mean of its divisors is an integer number (21498408892625).

Almost surely, 2^{312045133020302} is an apocalyptic number.

312045133020302 is a deficient number, since it is larger than the sum of its proper divisors (203916680402698).

312045133020302 is a wasteful number, since it uses less digits than its factorization.

312045133020302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694678592 (or 3694678581 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 312045133020302 its reverse (203020331540213), we get a palindrome (515065464560515).

The spelling of 312045133020302 in words is "three hundred twelve trillion, forty-five billion, one hundred thirty-three million, twenty thousand, three hundred two".