231314133 has 8 divisors (see below), whose sum is σ = 312323200. Its totient is φ = 152257248.

The previous prime is 231314123. The next prime is 231314141. The reversal of 231314133 is 331413132.

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

It is not a de Polignac number, because 231314133 - 2¹⁰ = 231313109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231314123) 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, 487768 + ... + 488241.

It is an arithmetic number, because the mean of its divisors is an integer number (39040400).

Almost surely, 2^231314133 is an apocalyptic number.

It is an amenable number.

231314133 is a deficient number, since it is larger than the sum of its proper divisors (81009067).

231314133 is an equidigital number, since it uses as much as digits as its factorization.

231314133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976091.

The product of its digits is 648, while the sum is 21.

The square root of 231314133 is about 15209.0148596153. The cubic root of 231314133 is about 613.8572500039.

Adding to 231314133 its reverse (331413132), we get a palindrome (562727265).

The spelling of 231314133 in words is "two hundred thirty-one million, three hundred fourteen thousand, one hundred thirty-three".