203133961 has 8 divisors (see below), whose sum is σ = 206265824. Its totient is φ = 200011680.

The previous prime is 203133949. The next prime is 203134051. The reversal of 203133961 is 169331302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203133961 is a prime.

It is a super-2 number, since 2×203133961² = 82526812223099042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203133941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48430 + ... + 52456.

It is an arithmetic number, because the mean of its divisors is an integer number (25783228).

Almost surely, 2^203133961 is an apocalyptic number.

It is an amenable number.

203133961 is a deficient number, since it is larger than the sum of its proper divisors (3131863).

203133961 is an equidigital number, since it uses as much as digits as its factorization.

203133961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 203133961 is about 14252.5071829485. The cubic root of 203133961 is about 587.8423160329.

The spelling of 203133961 in words is "two hundred three million, one hundred thirty-three thousand, nine hundred sixty-one".