312203032334240 has 96 divisors (see below), whose sum is σ = 763825845537216. Its totient is φ = 120507396065280.

The previous prime is 312203032334203. The next prime is 312203032334339. The reversal of 312203032334240 is 42433230302213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 312203032334197 and 312203032334206.

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, 272792501 + ... + 273934580.

It is an arithmetic number, because the mean of its divisors is an integer number (7956519224346).

Almost surely, 2^{312203032334240} is an apocalyptic number.

It is an amenable number.

312203032334240 is an abundant number, since it is smaller than the sum of its proper divisors (451622813202976).

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

312203032334240 is a wasteful number, since it uses less digits than its factorization.

312203032334240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546727222 (or 546727214 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 312203032334240 its reverse (42433230302213), we get a palindrome (354636262636453).

The spelling of 312203032334240 in words is "three hundred twelve trillion, two hundred three billion, thirty-two million, three hundred thirty-four thousand, two hundred forty".