231142412133222 has 32 divisors (see below), whose sum is σ = 471135538920960. Its totient is φ = 75577992594720.

The previous prime is 231142412133173. The next prime is 231142412133247. The reversal of 231142412133222 is 222331214241132.

It is a super-2 number, since 2×231142412133222² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704959929 + ... + 705287732.

It is an arithmetic number, because the mean of its divisors is an integer number (14722985591280).

Almost surely, 2^{231142412133222} is an apocalyptic number.

231142412133222 is an abundant number, since it is smaller than the sum of its proper divisors (239993126787738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231142412133222 is a wasteful number, since it uses less digits than its factorization.

231142412133222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410248188.

The product of its digits is 27648, while the sum is 33.

Adding to 231142412133222 its reverse (222331214241132), we get a palindrome (453473626374354).

The spelling of 231142412133222 in words is "two hundred thirty-one trillion, one hundred forty-two billion, four hundred twelve million, one hundred thirty-three thousand, two hundred twenty-two".