311349342 has 16 divisors (see below), whose sum is σ = 631469952. Its totient is φ = 102321240.

The previous prime is 311349331. The next prime is 311349359. The reversal of 311349342 is 243943113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365008 + ... + 365859.

It is an arithmetic number, because the mean of its divisors is an integer number (39466872).

Almost surely, 2^311349342 is an apocalyptic number.

311349342 is an abundant number, since it is smaller than the sum of its proper divisors (320120610).

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

311349342 is a wasteful number, since it uses less digits than its factorization.

311349342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730943.

The product of its digits is 7776, while the sum is 30.

The square root of 311349342 is about 17645.0939923821. The cubic root of 311349342 is about 677.7704820878.

The spelling of 311349342 in words is "three hundred eleven million, three hundred forty-nine thousand, three hundred forty-two".