311425241 has 4 divisors (see below), whose sum is σ = 315811584. Its totient is φ = 307038900.

The previous prime is 311425207. The next prime is 311425253. The reversal of 311425241 is 142524113.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311425241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311425201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2193065 + ... + 2193206.

It is an arithmetic number, because the mean of its divisors is an integer number (78952896).

Almost surely, 2^311425241 is an apocalyptic number.

It is an amenable number.

311425241 is a deficient number, since it is larger than the sum of its proper divisors (4386343).

311425241 is an equidigital number, since it uses as much as digits as its factorization.

311425241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386342.

The product of its digits is 960, while the sum is 23.

The square root of 311425241 is about 17647.2445724538. The cubic root of 311425241 is about 677.8255519780.

Adding to 311425241 its reverse (142524113), we get a palindrome (453949354).

The spelling of 311425241 in words is "three hundred eleven million, four hundred twenty-five thousand, two hundred forty-one".