231026479 has 8 divisors (see below), whose sum is σ = 237646080. Its totient is φ = 224477976.

The previous prime is 231026473. The next prime is 231026489. The reversal of 231026479 is 974620132.

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 231026479 - 2²⁵ = 197472047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231026473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11149 + ... + 24214.

It is an arithmetic number, because the mean of its divisors is an integer number (29705760).

Almost surely, 2^231026479 is an apocalyptic number.

231026479 is a deficient number, since it is larger than the sum of its proper divisors (6619601).

231026479 is a wasteful number, since it uses less digits than its factorization.

231026479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35549.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 231026479 is about 15199.5552237557. Note that the first 3 decimals coincide. The cubic root of 231026479 is about 613.6026874641.

The spelling of 231026479 in words is "two hundred thirty-one million, twenty-six thousand, four hundred seventy-nine".