231024001 has 4 divisors (see below), whose sum is σ = 248795092. Its totient is φ = 213252912.

The previous prime is 231023987. The next prime is 231024007. The reversal of 231024001 is 100420132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32890225 + 198133776 = 5735^2 + 14076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231024001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 17771077 = 231024001 / (2 + 3 + 1 + 0 + 2 + 4 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (231024007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8885526 + ... + 8885551.

It is an arithmetic number, because the mean of its divisors is an integer number (62198773).

Almost surely, 2^231024001 is an apocalyptic number.

It is an amenable number.

231024001 is a deficient number, since it is larger than the sum of its proper divisors (17771091).

231024001 is a wasteful number, since it uses less digits than its factorization.

231024001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17771090.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 231024001 is about 15199.4737079940. The cubic root of 231024001 is about 613.6004936133.

Adding to 231024001 its reverse (100420132), we get a palindrome (331444133).

The spelling of 231024001 in words is "two hundred thirty-one million, twenty-four thousand, one".