311345233442 has 8 divisors (see below), whose sum is σ = 467025329232. Its totient is φ = 155670123700.

The previous prime is 311345233439. The next prime is 311345233447. The reversal of 311345233442 is 244332543113.

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 (311345233447) 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, 1086284 + ... + 1342647.

It is an arithmetic number, because the mean of its divisors is an integer number (58378166154).

Almost surely, 2^311345233442 is an apocalyptic number.

311345233442 is a deficient number, since it is larger than the sum of its proper divisors (155680095790).

311345233442 is a wasteful number, since it uses less digits than its factorization.

311345233442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493024.

The product of its digits is 103680, while the sum is 35.

Adding to 311345233442 its reverse (244332543113), we get a palindrome (555677776555).

The spelling of 311345233442 in words is "three hundred eleven billion, three hundred forty-five million, two hundred thirty-three thousand, four hundred forty-two".