312231122201 has 8 divisors (see below), whose sum is σ = 316944415584. Its totient is φ = 307519391520.

The previous prime is 312231122153. The next prime is 312231122213. The reversal of 312231122201 is 102221132213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312231122201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (312231122261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15101 + ... + 790373.

It is an arithmetic number, because the mean of its divisors is an integer number (39618051948).

Almost surely, 2^312231122201 is an apocalyptic number.

It is an amenable number.

312231122201 is a deficient number, since it is larger than the sum of its proper divisors (4713293383).

312231122201 is an equidigital number, since it uses as much as digits as its factorization.

312231122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781351.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 312231122201 its reverse (102221132213), we get a palindrome (414452254414).

The spelling of 312231122201 in words is "three hundred twelve billion, two hundred thirty-one million, one hundred twenty-two thousand, two hundred one".