231314045 has 8 divisors (see below), whose sum is σ = 278790360. Its totient is φ = 184242240.

The previous prime is 231314029. The next prime is 231314077. The reversal of 231314045 is 540413132.

It can be written as a sum of positive squares in 4 ways, for example, as 68343289 + 162970756 = 8267^2 + 12766^2 .

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

It is not a de Polignac number, because 231314045 - 2⁴ = 231314029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231314045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99866 + ... + 102155.

It is an arithmetic number, because the mean of its divisors is an integer number (34848795).

Almost surely, 2^231314045 is an apocalyptic number.

It is an amenable number.

231314045 is a deficient number, since it is larger than the sum of its proper divisors (47476315).

231314045 is a wasteful number, since it uses less digits than its factorization.

231314045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202255.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 231314045 is about 15209.0119665940. The cubic root of 231314045 is about 613.8571721596.

Adding to 231314045 its reverse (540413132), we get a palindrome (771727177).

The spelling of 231314045 in words is "two hundred thirty-one million, three hundred fourteen thousand, forty-five".