231011452 has 24 divisors (see below), whose sum is σ = 462835296. Its totient is φ = 98830848.

The previous prime is 231011449. The next prime is 231011479. The reversal of 231011452 is 254110132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9648 + ... + 23560.

It is an arithmetic number, because the mean of its divisors is an integer number (19284804).

Almost surely, 2^231011452 is an apocalyptic number.

It is an amenable number.

231011452 is an abundant number, since it is smaller than the sum of its proper divisors (231823844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231011452 is a wasteful number, since it uses less digits than its factorization.

231011452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14517 (or 14515 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 231011452 is about 15199.0608920420. The cubic root of 231011452 is about 613.5893833506.

Adding to 231011452 its reverse (254110132), we get a palindrome (485121584).

The spelling of 231011452 in words is "two hundred thirty-one million, eleven thousand, four hundred fifty-two".