11331203 has 8 divisors (see below), whose sum is σ = 12733728. Its totient is φ = 10004544.

The previous prime is 11331169. The next prime is 11331209. The reversal of 11331203 is 30213311.

11331203 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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-11331203 is a prime.

It is a super-2 number, since 2×11331203² = 256792322854418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18650 + ... + 19247.

It is an arithmetic number, because the mean of its divisors is an integer number (1591716).

Almost surely, 2^11331203 is an apocalyptic number.

11331203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11331203 is a deficient number, since it is larger than the sum of its proper divisors (1402525).

11331203 is a wasteful number, since it uses less digits than its factorization.

11331203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37933.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 11331203 is about 3366.1852296034. The cubic root of 11331203 is about 224.6080616932.

Adding to 11331203 its reverse (30213311), we get a palindrome (41544514).

The spelling of 11331203 in words is "eleven million, three hundred thirty-one thousand, two hundred three".