233213030231 has 8 divisors (see below), whose sum is σ = 249328838304. Its totient is φ = 217363599360.

The previous prime is 233213030221. The next prime is 233213030233. The reversal of 233213030231 is 132030312332.

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

It is a de Polignac number, because none of the positive numbers 2^k-233213030231 is a prime.

It is a super-2 number, since 2×233213030231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233213030197 and 233213030206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233213030233) 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, 66592490 + ... + 66595991.

It is an arithmetic number, because the mean of its divisors is an integer number (31166104788).

Almost surely, 2^233213030231 is an apocalyptic number.

233213030231 is a deficient number, since it is larger than the sum of its proper divisors (16115808073).

233213030231 is a wasteful number, since it uses less digits than its factorization.

233213030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133188601.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 233213030231 its reverse (132030312332), we get a palindrome (365243342563).

The spelling of 233213030231 in words is "two hundred thirty-three billion, two hundred thirteen million, thirty thousand, two hundred thirty-one".