10140231 has 8 divisors (see below), whose sum is σ = 13540464. Its totient is φ = 6750080.

The previous prime is 10140209. The next prime is 10140233. The reversal of 10140231 is 13204101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10140231 - 2⁵ = 10140199 is a prime.

It is a super-2 number, since 2×10140231² = 205648569466722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (1692558).

Almost surely, 2^10140231 is an apocalyptic number.

10140231 is a deficient number, since it is larger than the sum of its proper divisors (3400233).

10140231 is an equidigital number, since it uses as much as digits as its factorization.

10140231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10140231 is about 3184.3729367020. The cubic root of 10140231 is about 216.4458597313.

Adding to 10140231 its reverse (13204101), we get a palindrome (23344332).

The spelling of 10140231 in words is "ten million, one hundred forty thousand, two hundred thirty-one".