312211332322330 has 64 divisors (see below), whose sum is σ = 647270370144000. Its totient is φ = 106211855706624.

The previous prime is 312211332322319. The next prime is 312211332322361. The reversal of 312211332322330 is 33223233112213.

It is a junction number, because it is equal to n+sod(n) for n = 312211332322292 and 312211332322301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19790059 + ... + 31875838.

It is an arithmetic number, because the mean of its divisors is an integer number (10113599533500).

Almost surely, 2^{312211332322330} is an apocalyptic number.

312211332322330 is an abundant number, since it is smaller than the sum of its proper divisors (335059037821670).

312211332322330 is a wasteful number, since it uses less digits than its factorization.

312211332322330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51666583.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 312211332322330 its reverse (33223233112213), we get a palindrome (345434565434543).

The spelling of 312211332322330 in words is "three hundred twelve trillion, two hundred eleven billion, three hundred thirty-two million, three hundred twenty-two thousand, three hundred thirty".