311500342 has 8 divisors (see below), whose sum is σ = 478116936. Its totient is φ = 152128032.

The previous prime is 311500337. The next prime is 311500361. The reversal of 311500342 is 243005113.

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

It is a super-2 number, since 2×311500342² = 194064926132233928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810963 + ... + 1811134.

It is an arithmetic number, because the mean of its divisors is an integer number (59764617).

Almost surely, 2^311500342 is an apocalyptic number.

311500342 is a deficient number, since it is larger than the sum of its proper divisors (166616594).

311500342 is a wasteful number, since it uses less digits than its factorization.

311500342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622142.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 311500342 is about 17649.3722834553. The cubic root of 311500342 is about 677.8800340587.

Adding to 311500342 its reverse (243005113), we get a palindrome (554505455).

The spelling of 311500342 in words is "three hundred eleven million, five hundred thousand, three hundred forty-two".