10133231 has 4 divisors (see below), whose sum is σ = 10146312. Its totient is φ = 10120152.

The previous prime is 10133159. The next prime is 10133269. The reversal of 10133231 is 13233101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10133231 is a prime.

It is a super-2 number, since 2×10133231² = 205364740998722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10133131) 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, 5300 + ... + 6953.

It is an arithmetic number, because the mean of its divisors is an integer number (2536578).

Almost surely, 2^10133231 is an apocalyptic number.

10133231 is a deficient number, since it is larger than the sum of its proper divisors (13081).

10133231 is an equidigital number, since it uses as much as digits as its factorization.

10133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13080.

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

The square root of 10133231 is about 3183.2736294576. The cubic root of 10133231 is about 216.3960426613.

Adding to 10133231 its reverse (13233101), we get a palindrome (23366332).

The spelling of 10133231 in words is "ten million, one hundred thirty-three thousand, two hundred thirty-one".