231422412 has 48 divisors (see below), whose sum is σ = 606816000. Its totient is φ = 68109888.

The previous prime is 231422393. The next prime is 231422417. The reversal of 231422412 is 214224132.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (231422417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28662 + ... + 35837.

It is an arithmetic number, because the mean of its divisors is an integer number (12642000).

Almost surely, 2^231422412 is an apocalyptic number.

It is an amenable number.

231422412 is an abundant number, since it is smaller than the sum of its proper divisors (375393588).

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

231422412 is a wasteful number, since it uses less digits than its factorization.

231422412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64542 (or 64540 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 231422412 is about 15212.5741411505. The cubic root of 231422412 is about 613.9530180110.

Adding to 231422412 its reverse (214224132), we get a palindrome (445646544).

The spelling of 231422412 in words is "two hundred thirty-one million, four hundred twenty-two thousand, four hundred twelve".