232213431 has 8 divisors (see below), whose sum is σ = 310376560. Its totient is φ = 154429632.

The previous prime is 232213427. The next prime is 232213447. The reversal of 232213431 is 134312232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 232213431 - 2² = 232213427 is a prime.

It is a super-2 number, since 2×232213431² = 107846155073583522, 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 = 232213398 and 232213407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232213481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93400 + ... + 95853.

It is an arithmetic number, because the mean of its divisors is an integer number (38797070).

Almost surely, 2^232213431 is an apocalyptic number.

232213431 is a deficient number, since it is larger than the sum of its proper divisors (78163129).

232213431 is a wasteful number, since it uses less digits than its factorization.

232213431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189665.

The product of its digits is 864, while the sum is 21.

The square root of 232213431 is about 15238.5508169248. The cubic root of 232213431 is about 614.6517348710.

Adding to 232213431 its reverse (134312232), we get a palindrome (366525663).

It can be divided in two parts, 2322 and 13431, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 232213431 in words is "two hundred thirty-two million, two hundred thirteen thousand, four hundred thirty-one".