311422441 has 8 divisors (see below), whose sum is σ = 341194464. Its totient is φ = 281893920.

The previous prime is 311422409. The next prime is 311422459. The reversal of 311422441 is 144224113.

It is a happy number.

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

It is not a de Polignac number, because 311422441 - 2⁵ = 311422409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311422841) 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, 58191 + ... + 63316.

It is an arithmetic number, because the mean of its divisors is an integer number (42649308).

Almost surely, 2^311422441 is an apocalyptic number.

It is an amenable number.

311422441 is a deficient number, since it is larger than the sum of its proper divisors (29772023).

311422441 is a wasteful number, since it uses less digits than its factorization.

311422441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121751.

The product of its digits is 768, while the sum is 22.

The square root of 311422441 is about 17647.1652397772. The cubic root of 311422441 is about 677.8235205464.

Adding to 311422441 its reverse (144224113), we get a palindrome (455646554).

The spelling of 311422441 in words is "three hundred eleven million, four hundred twenty-two thousand, four hundred forty-one".