231024055 has 4 divisors (see below), whose sum is σ = 277228872. Its totient is φ = 184819240.

The previous prime is 231024037. The next prime is 231024071. The reversal of 231024055 is 550420132.

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

It is not a de Polignac number, because 231024055 - 2⁹ = 231023543 is a prime.

It is a super-2 number, since 2×231024055² = 106744227977286050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23102401 + ... + 23102410.

It is an arithmetic number, because the mean of its divisors is an integer number (69307218).

Almost surely, 2^231024055 is an apocalyptic number.

231024055 is a deficient number, since it is larger than the sum of its proper divisors (46204817).

231024055 is an equidigital number, since it uses as much as digits as its factorization.

231024055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46204816.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 231024055 is about 15199.4754843712. The cubic root of 231024055 is about 613.6005414213.

Adding to 231024055 its reverse (550420132), we get a palindrome (781444187).

The spelling of 231024055 in words is "two hundred thirty-one million, twenty-four thousand, fifty-five".