313440241 has 4 divisors (see below), whose sum is σ = 313606512. Its totient is φ = 313273972.

The previous prime is 313440217. The next prime is 313440247. The reversal of 313440241 is 142044313.

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, and also an emirpimes, since its reverse is a distinct semiprime: 142044313 = 103 ⋅1379071.

It is a cyclic number.

It is not a de Polignac number, because 313440241 - 2²⁷ = 179222513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313440247) 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, 80275 + ... + 84088.

It is an arithmetic number, because the mean of its divisors is an integer number (78401628).

Almost surely, 2^313440241 is an apocalyptic number.

It is an amenable number.

313440241 is a deficient number, since it is larger than the sum of its proper divisors (166271).

313440241 is a wasteful number, since it uses less digits than its factorization.

313440241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166270.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 313440241 is about 17704.2435873437. The cubic root of 313440241 is about 679.2843111715.

Adding to 313440241 its reverse (142044313), we get a palindrome (455484554).

The spelling of 313440241 in words is "three hundred thirteen million, four hundred forty thousand, two hundred forty-one".