231057641 has 8 divisors (see below), whose sum is σ = 234169824. Its totient is φ = 227953440.

The previous prime is 231057623. The next prime is 231057653. The reversal of 231057641 is 146750132.

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 231057641 - 2²² = 226863337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231057041) 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, 76286 + ... + 79256.

It is an arithmetic number, because the mean of its divisors is an integer number (29271228).

Almost surely, 2^231057641 is an apocalyptic number.

It is an amenable number.

231057641 is a deficient number, since it is larger than the sum of its proper divisors (3112183).

231057641 is an equidigital number, since it uses as much as digits as its factorization.

231057641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 231057641 is about 15200.5802849760. The cubic root of 231057641 is about 613.6302748174.

The spelling of 231057641 in words is "two hundred thirty-one million, fifty-seven thousand, six hundred forty-one".