231003201 has 32 divisors (see below), whose sum is σ = 362944512. Its totient is φ = 128842560.

The previous prime is 231003169. The next prime is 231003209. The reversal of 231003201 is 102300132.

It is a happy number.

It is not a de Polignac number, because 231003201 - 2⁵ = 231003169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231003209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198046 + ... + 199208.

It is an arithmetic number, because the mean of its divisors is an integer number (11342016).

Almost surely, 2^231003201 is an apocalyptic number.

It is an amenable number.

231003201 is a deficient number, since it is larger than the sum of its proper divisors (131941311).

231003201 is a wasteful number, since it uses less digits than its factorization.

231003201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 231003201 is about 15198.7894583746. The cubic root of 231003201 is about 613.5820781049.

Adding to 231003201 its reverse (102300132), we get a palindrome (333303333).

The spelling of 231003201 in words is "two hundred thirty-one million, three thousand, two hundred one".