233212631 has 8 divisors (see below), whose sum is σ = 245742000. Its totient is φ = 220708800.

The previous prime is 233212601. The next prime is 233212649. The reversal of 233212631 is 136212332.

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 233212631 - 2²² = 229018327 is a prime.

It is a super-2 number, since 2×233212631² = 108776262515884322, 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 = 233212597 and 233212606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233212601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14081 + ... + 25781.

It is an arithmetic number, because the mean of its divisors is an integer number (30717750).

Almost surely, 2^233212631 is an apocalyptic number.

233212631 is a deficient number, since it is larger than the sum of its proper divisors (12529369).

233212631 is a wasteful number, since it uses less digits than its factorization.

233212631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12769.

The product of its digits is 1296, while the sum is 23.

The square root of 233212631 is about 15271.3008941609. The cubic root of 233212631 is about 615.5320761633.

Adding to 233212631 its reverse (136212332), we get a palindrome (369424963).

It can be divided in two parts, 23321 and 2631, that added together give a palindrome (25952).

The spelling of 233212631 in words is "two hundred thirty-three million, two hundred twelve thousand, six hundred thirty-one".