233093931 has 12 divisors (see below), whose sum is σ = 361533672. Its totient is φ = 133196448.

The previous prime is 233093921. The next prime is 233093941. The reversal of 233093931 is 139390332.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (233093921) and next prime (233093941).

It is not a de Polignac number, because 233093931 - 2⁷ = 233093803 is a prime.

It is a super-2 number, since 2×233093931² = 108665561338065522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233093892 and 233093901.

It is not an unprimeable number, because it can be changed into a prime (233093921) 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 11 ways as a sum of consecutive naturals, for example, 792690 + ... + 792983.

It is an arithmetic number, because the mean of its divisors is an integer number (30127806).

Almost surely, 2^233093931 is an apocalyptic number.

233093931 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

233093931 is a deficient number, since it is larger than the sum of its proper divisors (128439741).

233093931 is a wasteful number, since it uses less digits than its factorization.

233093931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585690 (or 1585683 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 33.

The square root of 233093931 is about 15267.4140246474. The cubic root of 233093931 is about 615.4276277656.

The spelling of 233093931 in words is "two hundred thirty-three million, ninety-three thousand, nine hundred thirty-one".