10011231 has 6 divisors (see below), whose sum is σ = 14460680. Its totient is φ = 6674148.

The previous prime is 10011229. The next prime is 10011247. The reversal of 10011231 is 13211001.

10011231 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10011231 - 2¹ = 10011229 is a prime.

It is a super-2 number, since 2×10011231² = 200449492270722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1112359 = 10011231 / (1 + 0 + 0 + 1 + 1 + 2 + 3 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556171 + ... + 556188.

Almost surely, 2^10011231 is an apocalyptic number.

10011231 is a deficient number, since it is larger than the sum of its proper divisors (4449449).

10011231 is a wasteful number, since it uses less digits than its factorization.

10011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112365 (or 1112362 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 10011231 is about 3164.0529388744. The cubic root of 10011231 is about 215.5240936809.

Adding to 10011231 its reverse (13211001), we get a palindrome (23222232).

The spelling of 10011231 in words is "ten million, eleven thousand, two hundred thirty-one".