311041342 has 4 divisors (see below), whose sum is σ = 466562016. Its totient is φ = 155520670.

The previous prime is 311041337. The next prime is 311041373. The reversal of 311041342 is 243140113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243140113 = 769 ⋅316177.

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, 77760334 + ... + 77760337.

It is an arithmetic number, because the mean of its divisors is an integer number (116640504).

Almost surely, 2^311041342 is an apocalyptic number.

311041342 is a deficient number, since it is larger than the sum of its proper divisors (155520674).

311041342 is a wasteful number, since it uses less digits than its factorization.

311041342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155520673.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 311041342 is about 17636.3641944705. The cubic root of 311041342 is about 677.5469152299.

Adding to 311041342 its reverse (243140113), we get a palindrome (554181455).

The spelling of 311041342 in words is "three hundred eleven million, forty-one thousand, three hundred forty-two".