311140342322 has 8 divisors (see below), whose sum is σ = 467563733616. Its totient is φ = 155285764452.

The previous prime is 311140342267. The next prime is 311140342361. The reversal of 311140342322 is 223243041113.

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 = 311140342291 and 311140342300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142201988 + ... + 142204175.

It is an arithmetic number, because the mean of its divisors is an integer number (58445466702).

Almost surely, 2^311140342322 is an apocalyptic number.

311140342322 is a deficient number, since it is larger than the sum of its proper divisors (156423391294).

311140342322 is a wasteful number, since it uses less digits than its factorization.

311140342322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284406712.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 311140342322 its reverse (223243041113), we get a palindrome (534383383435).

The spelling of 311140342322 in words is "three hundred eleven billion, one hundred forty million, three hundred forty-two thousand, three hundred twenty-two".