231000001 has 8 divisors (see below), whose sum is σ = 232714944. Its totient is φ = 229291920.

The previous prime is 230999969. The next prime is 231000013. The reversal of 231000001 is 100000132.

231000001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231000001 - 2⁵ = 230999969 is a prime.

It is a super-2 number, since 2×231000001² = 106722000924000002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231000041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79311 + ... + 82171.

It is an arithmetic number, because the mean of its divisors is an integer number (29089368).

Almost surely, 2^231000001 is an apocalyptic number.

It is an amenable number.

231000001 is a deficient number, since it is larger than the sum of its proper divisors (1714943).

231000001 is a wasteful number, since it uses less digits than its factorization.

231000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 231000001 is about 15198.6841864682. The cubic root of 231000001 is about 613.5792448516.

Adding to 231000001 its reverse (100000132), we get a palindrome (331000133).

The spelling of 231000001 in words is "two hundred thirty-one million, one", and thus it is an aban number.