231142122334 has 16 divisors (see below), whose sum is σ = 348925410000. Its totient is φ = 114835676544.

The previous prime is 231142122317. The next prime is 231142122371. The reversal of 231142122334 is 433221241132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277147 + ... + 734230.

It is an arithmetic number, because the mean of its divisors is an integer number (21807838125).

Almost surely, 2^231142122334 is an apocalyptic number.

231142122334 is a deficient number, since it is larger than the sum of its proper divisors (117783287666).

231142122334 is a wasteful number, since it uses less digits than its factorization.

231142122334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012107.

The product of its digits is 6912, while the sum is 28.

Adding to 231142122334 its reverse (433221241132), we get a palindrome (664363363466).

The spelling of 231142122334 in words is "two hundred thirty-one billion, one hundred forty-two million, one hundred twenty-two thousand, three hundred thirty-four".