8013231 has 12 divisors (see below), whose sum is σ = 12184120. Its totient is φ = 5060880.

The previous prime is 8013157. The next prime is 8013233. The reversal of 8013231 is 1323108.

It is not a de Polignac number, because 8013231 - 2¹¹ = 8011183 is a prime.

It is a super-2 number, since 2×8013231² = 128423742118722, 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 (8013233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23260 + ... + 23601.

Almost surely, 2^8013231 is an apocalyptic number.

8013231 is a deficient number, since it is larger than the sum of its proper divisors (4170889).

8013231 is a wasteful number, since it uses less digits than its factorization.

8013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46886 (or 46883 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 8013231 is about 2830.7650909251. The cubic root of 8013231 is about 200.1101976046.

Adding to 8013231 its reverse (1323108), we get a palindrome (9336339).

The spelling of 8013231 in words is "eight million, thirteen thousand, two hundred thirty-one".