312233440332340 has 24 divisors (see below), whose sum is σ = 690200236524960. Its totient is φ = 118320040546848.

The previous prime is 312233440332271. The next prime is 312233440332343. The reversal of 312233440332340 is 43233044332213.

It is a self number, because there is not a number n which added to its sum of digits gives 312233440332340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312233440332343) 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 7 ways as a sum of consecutive naturals, for example, 410833473742 + ... + 410833474501.

It is an arithmetic number, because the mean of its divisors is an integer number (28758343188540).

Almost surely, 2^{312233440332340} is an apocalyptic number.

It is an amenable number.

312233440332340 is an abundant number, since it is smaller than the sum of its proper divisors (377966796192620).

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

312233440332340 is a wasteful number, since it uses less digits than its factorization.

312233440332340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821666948271 (or 821666948269 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 37.

Adding to 312233440332340 its reverse (43233044332213), we get a palindrome (355466484664553).

The spelling of 312233440332340 in words is "three hundred twelve trillion, two hundred thirty-three billion, four hundred forty million, three hundred thirty-two thousand, three hundred forty".