231026401 has 8 divisors (see below), whose sum is σ = 236608064. Its totient is φ = 225454320.

The previous prime is 231026399. The next prime is 231026423. The reversal of 231026401 is 104620132.

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 231026401 - 2¹ = 231026399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231026801) 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, 78580 + ... + 81466.

It is an arithmetic number, because the mean of its divisors is an integer number (29576008).

Almost surely, 2^231026401 is an apocalyptic number.

It is an amenable number.

231026401 is a deficient number, since it is larger than the sum of its proper divisors (5581663).

231026401 is a wasteful number, since it uses less digits than its factorization.

231026401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 231026401 is about 15199.5526578910. The cubic root of 231026401 is about 613.6026184085.

Adding to 231026401 its reverse (104620132), we get a palindrome (335646533).

The spelling of 231026401 in words is "two hundred thirty-one million, twenty-six thousand, four hundred one".