311344442 has 8 divisors (see below), whose sum is σ = 467111232. Its totient is φ = 155640700.

The previous prime is 311344441. The next prime is 311344463. The reversal of 311344442 is 244443113.

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

It is not an unprimeable number, because it can be changed into a prime (311344441) 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, 434 + ... + 24957.

It is an arithmetic number, because the mean of its divisors is an integer number (58388904).

Almost surely, 2^311344442 is an apocalyptic number.

311344442 is a deficient number, since it is larger than the sum of its proper divisors (155766790).

311344442 is a wasteful number, since it uses less digits than its factorization.

311344442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31524.

The product of its digits is 4608, while the sum is 26.

The square root of 311344442 is about 17644.9551430430. The cubic root of 311344442 is about 677.7669264967.

Adding to 311344442 its reverse (244443113), we get a palindrome (555787555).

The spelling of 311344442 in words is "three hundred eleven million, three hundred forty-four thousand, four hundred forty-two".