231033401 has 8 divisors (see below), whose sum is σ = 244830600. Its totient is φ = 217624960.

The previous prime is 231033391. The next prime is 231033419. The reversal of 231033401 is 104330132.

It is a happy number.

231033401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19360000 + 211673401 = 4400^2 + 14549^2 .

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 231033401 - 2²² = 226839097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231033401.

It is not an unprimeable number, because it can be changed into a prime (231033431) 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, 95966 + ... + 98343.

It is an arithmetic number, because the mean of its divisors is an integer number (30603825).

Almost surely, 2^231033401 is an apocalyptic number.

It is an amenable number.

231033401 is a deficient number, since it is larger than the sum of its proper divisors (13797199).

231033401 is a wasteful number, since it uses less digits than its factorization.

231033401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194379.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 231033401 is about 15199.7829260815. The cubic root of 231033401 is about 613.6088156439.

Adding to 231033401 its reverse (104330132), we get a palindrome (335363533).

The spelling of 231033401 in words is "two hundred thirty-one million, thirty-three thousand, four hundred one".