311351342 has 4 divisors (see below), whose sum is σ = 467027016. Its totient is φ = 155675670.

The previous prime is 311351333. The next prime is 311351357. The reversal of 311351342 is 243153113.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77837834 + ... + 77837837.

It is an arithmetic number, because the mean of its divisors is an integer number (116756754).

Almost surely, 2^311351342 is an apocalyptic number.

311351342 is a deficient number, since it is larger than the sum of its proper divisors (155675674).

311351342 is a wasteful number, since it uses less digits than its factorization.

311351342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155675673.

The product of its digits is 1080, while the sum is 23.

The square root of 311351342 is about 17645.1506652678. The cubic root of 311351342 is about 677.7719333387.

The spelling of 311351342 in words is "three hundred eleven million, three hundred fifty-one thousand, three hundred forty-two".