231312122222101 has 8 divisors (see below), whose sum is σ = 235152075605504. Its totient is φ = 227473715657520.

The previous prime is 231312122222089. The next prime is 231312122222171. The reversal of 231312122222101 is 101222221213132.

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

It is a cyclic number.

It is not a de Polignac number, because 231312122222101 - 2³⁷ = 231174683268629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231312122222171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386403141 + ... + 387001306.

It is an arithmetic number, because the mean of its divisors is an integer number (29394009450688).

Almost surely, 2^{231312122222101} is an apocalyptic number.

It is an amenable number.

231312122222101 is a deficient number, since it is larger than the sum of its proper divisors (3839953383403).

231312122222101 is an equidigital number, since it uses as much as digits as its factorization.

231312122222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773409411.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 231312122222101 its reverse (101222221213132), we get a palindrome (332534343435233).

The spelling of 231312122222101 in words is "two hundred thirty-one trillion, three hundred twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred one".