233322131 has 4 divisors (see below), whose sum is σ = 266653872. Its totient is φ = 199990392.

The previous prime is 233322107. The next prime is 233322137. The reversal of 233322131 is 131223332.

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

It is not a de Polignac number, because 233322131 - 2¹⁴ = 233305747 is a prime.

It is a super-2 number, since 2×233322131² = 108878433628762322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233322137) 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, 16665860 + ... + 16665873.

It is an arithmetic number, because the mean of its divisors is an integer number (66663468).

Almost surely, 2^233322131 is an apocalyptic number.

233322131 is a deficient number, since it is larger than the sum of its proper divisors (33331741).

233322131 is an equidigital number, since it uses as much as digits as its factorization.

233322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33331740.

The product of its digits is 648, while the sum is 20.

The square root of 233322131 is about 15274.8856296864. The cubic root of 233322131 is about 615.6283977275.

Adding to 233322131 its reverse (131223332), we get a palindrome (364545463).

The spelling of 233322131 in words is "two hundred thirty-three million, three hundred twenty-two thousand, one hundred thirty-one".