231102001 has 4 divisors (see below), whose sum is σ = 248879092. Its totient is φ = 213324912.

The previous prime is 231101989. The next prime is 231102017. The reversal of 231102001 is 100201132.

231102001 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 36917776 + 194184225 = 6076^2 + 13935^2 .

It is a cyclic number.

It is not a de Polignac number, because 231102001 - 2⁷ = 231101873 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (231102031) 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, 8888526 + ... + 8888551.

It is an arithmetic number, because the mean of its divisors is an integer number (62219773).

Almost surely, 2^231102001 is an apocalyptic number.

It is an amenable number.

231102001 is a deficient number, since it is larger than the sum of its proper divisors (17777091).

231102001 is a wasteful number, since it uses less digits than its factorization.

231102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17777090.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 231102001 is about 15202.0393697688. The cubic root of 231102001 is about 613.6695419271.

Adding to 231102001 its reverse (100201132), we get a palindrome (331303133).

The spelling of 231102001 in words is "two hundred thirty-one million, one hundred two thousand, one".