231302122231 has 8 divisors (see below), whose sum is σ = 235932125184. Its totient is φ = 226716005880.

The previous prime is 231302122189. The next prime is 231302122237. The reversal of 231302122231 is 132221203132.

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 231302122231 - 2¹³ = 231302114039 is a prime.

It is a super-2 number, since 2×231302122231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231302122237) 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, 10961005 + ... + 10982086.

It is an arithmetic number, because the mean of its divisors is an integer number (29491515648).

Almost surely, 2^231302122231 is an apocalyptic number.

231302122231 is a deficient number, since it is larger than the sum of its proper divisors (4630002953).

231302122231 is a wasteful number, since it uses less digits than its factorization.

231302122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21943301.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231302122231 its reverse (132221203132), we get a palindrome (363523325363).

The spelling of 231302122231 in words is "two hundred thirty-one billion, three hundred two million, one hundred twenty-two thousand, two hundred thirty-one".