231222013001 has 16 divisors (see below), whose sum is σ = 264966955008. Its totient is φ = 197656102800.

The previous prime is 231222012949. The next prime is 231222013019. The reversal of 231222013001 is 100310222132.

It is a cyclic number.

It is not a de Polignac number, because 231222013001 - 2¹⁴ = 231221996617 is a prime.

It is a super-2 number, since 2×231222013001² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231222013091) by changing a digit.

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, 3893336 + ... + 3952278.

It is an arithmetic number, because the mean of its divisors is an integer number (16560434688).

Almost surely, 2^231222013001 is an apocalyptic number.

It is an amenable number.

231222013001 is a deficient number, since it is larger than the sum of its proper divisors (33744942007).

231222013001 is an equidigital number, since it uses as much as digits as its factorization.

231222013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60452.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 231222013001 its reverse (100310222132), we get a palindrome (331532235133).

The spelling of 231222013001 in words is "two hundred thirty-one billion, two hundred twenty-two million, thirteen thousand, one".