124331313 has 4 divisors (see below), whose sum is σ = 165775088. Its totient is φ = 82887540.

The previous prime is 124331299. The next prime is 124331321. The reversal of 124331313 is 313133421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 124331313 - 2⁵ = 124331281 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 124331313.

It is not an unprimeable number, because it can be changed into a prime (124335313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20721883 + ... + 20721888.

It is an arithmetic number, because the mean of its divisors is an integer number (41443772).

Almost surely, 2^124331313 is an apocalyptic number.

It is an amenable number.

124331313 is a deficient number, since it is larger than the sum of its proper divisors (41443775).

124331313 is an equidigital number, since it uses as much as digits as its factorization.

124331313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41443774.

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

The square root of 124331313 is about 11150.3951947902. The cubic root of 124331313 is about 499.1068227522.

Adding to 124331313 its reverse (313133421), we get a palindrome (437464734).

The spelling of 124331313 in words is "one hundred twenty-four million, three hundred thirty-one thousand, three hundred thirteen".