231411203122 has 16 divisors (see below), whose sum is σ = 381802410144. Its totient is φ = 105186909300.

The previous prime is 231411203099. The next prime is 231411203123. The reversal of 231411203122 is 221302114132.

It is a super-2 number, since 2×231411203122² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 231411203093 and 231411203102.

It is not an unprimeable number, because it can be changed into a prime (231411203123) 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, 43463004 + ... + 43468327.

It is an arithmetic number, because the mean of its divisors is an integer number (23862650634).

Almost surely, 2^231411203122 is an apocalyptic number.

231411203122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231411203122 is a deficient number, since it is larger than the sum of its proper divisors (150391207022).

231411203122 is an equidigital number, since it uses as much as digits as its factorization.

231411203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86931366 (or 86931344 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 231411203122 its reverse (221302114132), we get a palindrome (452713317254).

The spelling of 231411203122 in words is "two hundred thirty-one billion, four hundred eleven million, two hundred three thousand, one hundred twenty-two".