311233123311242 has 8 divisors (see below), whose sum is σ = 509290565418432. Its totient is φ = 141469601505100.

The previous prime is 311233123311233. The next prime is 311233123311293. The reversal of 311233123311242 is 242113321332113.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 311233123311199 and 311233123311208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7073480075234 + ... + 7073480075277.

It is an arithmetic number, because the mean of its divisors is an integer number (63661320677304).

Almost surely, 2^{311233123311242} is an apocalyptic number.

311233123311242 is a deficient number, since it is larger than the sum of its proper divisors (198057442107190).

311233123311242 is a wasteful number, since it uses less digits than its factorization.

311233123311242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14146960150524.

The product of its digits is 15552, while the sum is 32.

Adding to 311233123311242 its reverse (242113321332113), we get a palindrome (553346444643355).

The spelling of 311233123311242 in words is "three hundred eleven trillion, two hundred thirty-three billion, one hundred twenty-three million, three hundred eleven thousand, two hundred forty-two".