231141851 has 8 divisors (see below), whose sum is σ = 236100960. Its totient is φ = 226204992.

The previous prime is 231141847. The next prime is 231141853. The reversal of 231141851 is 158141132.

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 231141851 - 2² = 231141847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231141851.

It is not an unprimeable number, because it can be changed into a prime (231141853) 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, 16346 + ... + 27008.

It is an arithmetic number, because the mean of its divisors is an integer number (29512620).

Almost surely, 2^231141851 is an apocalyptic number.

231141851 is a deficient number, since it is larger than the sum of its proper divisors (4959109).

231141851 is a wasteful number, since it uses less digits than its factorization.

231141851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11125.

The product of its digits is 960, while the sum is 26.

The square root of 231141851 is about 15203.3499926825. The cubic root of 231141851 is about 613.7048125372.

Adding to 231141851 its reverse (158141132), we get a palindrome (389282983).

The spelling of 231141851 in words is "two hundred thirty-one million, one hundred forty-one thousand, eight hundred fifty-one".