231353061 has 4 divisors (see below), whose sum is σ = 308470752. Its totient is φ = 154235372.

The previous prime is 231353009. The next prime is 231353069. The reversal of 231353061 is 160353132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231353061 - 2⁶ = 231352997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231353069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38558841 + ... + 38558846.

It is an arithmetic number, because the mean of its divisors is an integer number (77117688).

Almost surely, 2^231353061 is an apocalyptic number.

It is an amenable number.

231353061 is a deficient number, since it is larger than the sum of its proper divisors (77117691).

231353061 is an equidigital number, since it uses as much as digits as its factorization.

231353061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77117690.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 231353061 is about 15210.2945730844. The cubic root of 231353061 is about 613.8916835458.

The spelling of 231353061 in words is "two hundred thirty-one million, three hundred fifty-three thousand, sixty-one".