311242014 has 20 divisors (see below), whose sum is σ = 697413024. Its totient is φ = 103747284.

The previous prime is 311241991. The next prime is 311242031. The reversal of 311242014 is 410242113.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 960462 + ... + 960785.

Almost surely, 2^311242014 is an apocalyptic number.

311242014 is an abundant number, since it is smaller than the sum of its proper divisors (386171010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311242014 is a wasteful number, since it uses less digits than its factorization.

311242014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921261 (or 1921252 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 311242014 is about 17642.0524316192. The cubic root of 311242014 is about 677.6925930407.

Adding to 311242014 its reverse (410242113), we get a palindrome (721484127).

Subtracting 311242014 from its reverse (410242113), we obtain a palindrome (99000099).

The spelling of 311242014 in words is "three hundred eleven million, two hundred forty-two thousand, fourteen".