232031213 has 8 divisors (see below), whose sum is σ = 233180160. Its totient is φ = 230886000.

The previous prime is 232031209. The next prime is 232031221. The reversal of 232031213 is 312130232.

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

It is a cyclic number.

It is not a de Polignac number, because 232031213 - 2² = 232031209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232031191 and 232031200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232031263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308588 + ... + 309338.

It is an arithmetic number, because the mean of its divisors is an integer number (29147520).

Almost surely, 2^232031213 is an apocalyptic number.

It is an amenable number.

232031213 is a deficient number, since it is larger than the sum of its proper divisors (1148947).

232031213 is an equidigital number, since it uses as much as digits as its factorization.

232031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 232031213 is about 15232.5707941897. The cubic root of 232031213 is about 614.4909202880.

Adding to 232031213 its reverse (312130232), we get a palindrome (544161445).

It can be divided in two parts, 2320 and 31213, that added together give a palindrome (33533).

The spelling of 232031213 in words is "two hundred thirty-two million, thirty-one thousand, two hundred thirteen".