231120422 has 16 divisors (see below), whose sum is σ = 389581920. Its totient is φ = 102032832.

The previous prime is 231120413. The next prime is 231120467. The reversal of 231120422 is 224021132.

It is a self number, because there is not a number n which added to its sum of digits gives 231120422.

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, 192647 + ... + 193842.

It is an arithmetic number, because the mean of its divisors is an integer number (24348870).

Almost surely, 2^231120422 is an apocalyptic number.

231120422 is a deficient number, since it is larger than the sum of its proper divisors (158461498).

231120422 is a wasteful number, since it uses less digits than its factorization.

231120422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386527.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 231120422 is about 15202.6452303538. The cubic root of 231120422 is about 613.6858465692.

Adding to 231120422 its reverse (224021132), we get a palindrome (455141554).

The spelling of 231120422 in words is "two hundred thirty-one million, one hundred twenty thousand, four hundred twenty-two".