311034242 has 8 divisors (see below), whose sum is σ = 474199932. Its totient is φ = 152967600.

The previous prime is 311034233. The next prime is 311034257. The reversal of 311034242 is 242430113.

It can be written as a sum of positive squares in 2 ways, for example, as 293402641 + 17631601 = 17129^2 + 4199^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274609 + ... + 1274852.

Almost surely, 2^311034242 is an apocalyptic number.

311034242 is a deficient number, since it is larger than the sum of its proper divisors (163165690).

311034242 is a wasteful number, since it uses less digits than its factorization.

311034242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549524.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 311034242 is about 17636.1629046684. The cubic root of 311034242 is about 677.5417598384.

Adding to 311034242 its reverse (242430113), we get a palindrome (553464355).

The spelling of 311034242 in words is "three hundred eleven million, thirty-four thousand, two hundred forty-two".