231103001 has 4 divisors (see below), whose sum is σ = 239072100. Its totient is φ = 223133904.

The previous prime is 231102983. The next prime is 231103003. The reversal of 231103001 is 100301132.

231103001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 124992400 + 106110601 = 11180^2 + 10301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231103001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231103003) 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, 3984506 + ... + 3984563.

It is an arithmetic number, because the mean of its divisors is an integer number (59768025).

Almost surely, 2^231103001 is an apocalyptic number.

It is an amenable number.

231103001 is a deficient number, since it is larger than the sum of its proper divisors (7969099).

231103001 is an equidigital number, since it uses as much as digits as its factorization.

231103001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7969098.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 231103001 is about 15202.0722600572. The cubic root of 231103001 is about 613.6704270610.

Adding to 231103001 its reverse (100301132), we get a palindrome (331404133).

The spelling of 231103001 in words is "two hundred thirty-one million, one hundred three thousand, one".