231321035 has 8 divisors (see below), whose sum is σ = 302820336. Its totient is φ = 168233440.

The previous prime is 231321019. The next prime is 231321043. The reversal of 231321035 is 530123132.

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

It is not a de Polignac number, because 231321035 - 2⁴ = 231321019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231320998 and 231321016.

It is an unprimeable number.

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, 2102864 + ... + 2102973.

It is an arithmetic number, because the mean of its divisors is an integer number (37852542).

Almost surely, 2^231321035 is an apocalyptic number.

231321035 is a deficient number, since it is larger than the sum of its proper divisors (71499301).

231321035 is a wasteful number, since it uses less digits than its factorization.

231321035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205853.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 231321035 is about 15209.2417628230. The cubic root of 231321035 is about 613.8633554107.

Adding to 231321035 its reverse (530123132), we get a palindrome (761444167).

The spelling of 231321035 in words is "two hundred thirty-one million, three hundred twenty-one thousand, thirty-five".