312211304104332 has 48 divisors (see below), whose sum is σ = 766841424325760. Its totient is φ = 98592189389568.

The previous prime is 312211304104289. The next prime is 312211304104391. The reversal of 312211304104332 is 233401403112213.

It is a self number, because there is not a number n which added to its sum of digits gives 312211304104332.

It is an unprimeable number.

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, 20710863 + ... + 32455545.

Almost surely, 2^{312211304104332} is an apocalyptic number.

It is an amenable number.

312211304104332 is an abundant number, since it is smaller than the sum of its proper divisors (454630120221428).

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

312211304104332 is a wasteful number, since it uses less digits than its factorization.

312211304104332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11861302 (or 11861300 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 312211304104332 its reverse (233401403112213), we get a palindrome (545612707216545).

The spelling of 312211304104332 in words is "three hundred twelve trillion, two hundred eleven billion, three hundred four million, one hundred four thousand, three hundred thirty-two".