312440452302 has 32 divisors (see below), whose sum is σ = 681734816640. Its totient is φ = 94672458720.

The previous prime is 312440452297. The next prime is 312440452309. The reversal of 312440452302 is 203254044213.

It is a self number, because there is not a number n which added to its sum of digits gives 312440452302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312440452309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860649 + ... + 1168587.

It is an arithmetic number, because the mean of its divisors is an integer number (21304213020).

Almost surely, 2^312440452302 is an apocalyptic number.

312440452302 is an abundant number, since it is smaller than the sum of its proper divisors (369294364338).

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

312440452302 is a wasteful number, since it uses less digits than its factorization.

312440452302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323328.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 312440452302 its reverse (203254044213), we get a palindrome (515694496515).

The spelling of 312440452302 in words is "three hundred twelve billion, four hundred forty million, four hundred fifty-two thousand, three hundred two".