311112303242 has 8 divisors (see below), whose sum is σ = 502566028356. Its totient is φ = 143590293792.

The previous prime is 311112303241. The next prime is 311112303277. The reversal of 311112303242 is 242303211113.

It can be written as a sum of positive squares in 2 ways, for example, as 282642152881 + 28470150361 = 531641^2 + 168731^2 .

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

It is not an unprimeable number, because it can be changed into a prime (311112303241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5982928883 + ... + 5982928934.

Almost surely, 2^311112303242 is an apocalyptic number.

311112303242 is a deficient number, since it is larger than the sum of its proper divisors (191453725114).

311112303242 is a wasteful number, since it uses less digits than its factorization.

311112303242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11965857832.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 311112303242 its reverse (242303211113), we get a palindrome (553415514355).

The spelling of 311112303242 in words is "three hundred eleven billion, one hundred twelve million, three hundred three thousand, two hundred forty-two".