232112431 has 4 divisors (see below), whose sum is σ = 236046600. Its totient is φ = 228178264.

The previous prime is 232112429. The next prime is 232112437. The reversal of 232112431 is 134211232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232112431 - 2¹ = 232112429 is a prime.

It is a super-2 number, since 2×232112431² = 107752361249459522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232112399 and 232112408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232112437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1966996 + ... + 1967113.

It is an arithmetic number, because the mean of its divisors is an integer number (59011650).

Almost surely, 2^232112431 is an apocalyptic number.

232112431 is a deficient number, since it is larger than the sum of its proper divisors (3934169).

232112431 is an equidigital number, since it uses as much as digits as its factorization.

232112431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934168.

The product of its digits is 288, while the sum is 19.

The square root of 232112431 is about 15235.2364930775. The cubic root of 232112431 is about 614.5626087776.

Adding to 232112431 its reverse (134211232), we get a palindrome (366323663).

The spelling of 232112431 in words is "two hundred thirty-two million, one hundred twelve thousand, four hundred thirty-one".