233164131 has 4 divisors (see below), whose sum is σ = 310885512. Its totient is φ = 155442752.

The previous prime is 233164123. The next prime is 233164153. The reversal of 233164131 is 131461332.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 233164131 - 2³ = 233164123 is a prime.

It is a super-2 number, since 2×233164131² = 108731023969970322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (233164531) 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 3 ways as a sum of consecutive naturals, for example, 38860686 + ... + 38860691.

It is an arithmetic number, because the mean of its divisors is an integer number (77721378).

Almost surely, 2^233164131 is an apocalyptic number.

233164131 is a deficient number, since it is larger than the sum of its proper divisors (77721381).

233164131 is an equidigital number, since it uses as much as digits as its factorization.

233164131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77721380.

The product of its digits is 1296, while the sum is 24.

The square root of 233164131 is about 15269.7128656697. The cubic root of 233164131 is about 615.4894035526.

The spelling of 233164131 in words is "two hundred thirty-three million, one hundred sixty-four thousand, one hundred thirty-one".