231010051 has 4 divisors (see below), whose sum is σ = 231525000. Its totient is φ = 230495104.

The previous prime is 231010049. The next prime is 231010063. The reversal of 231010051 is 150010132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231010051 - 2¹ = 231010049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231010001) 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, 256801 + ... + 257698.

It is an arithmetic number, because the mean of its divisors is an integer number (57881250).

Almost surely, 2^231010051 is an apocalyptic number.

231010051 is a deficient number, since it is larger than the sum of its proper divisors (514949).

231010051 is an equidigital number, since it uses as much as digits as its factorization.

231010051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514948.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 231010051 is about 15199.0148035983. The cubic root of 231010051 is about 613.5881429497.

Adding to 231010051 its reverse (150010132), we get a palindrome (381020183).

The spelling of 231010051 in words is "two hundred thirty-one million, ten thousand, fifty-one".