311440042422103 has 8 divisors (see below), whose sum is σ = 355967733776672. Its totient is φ = 266921415248256.

The previous prime is 311440042422013. The next prime is 311440042422133. The reversal of 311440042422103 is 301224240044113.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311440042422103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311440042422133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265971550 + ... + 2266108987.

It is an arithmetic number, because the mean of its divisors is an integer number (44495966722084).

Almost surely, 2^{311440042422103} is an apocalyptic number.

311440042422103 is a deficient number, since it is larger than the sum of its proper divisors (44527691354569).

311440042422103 is an equidigital number, since it uses as much as digits as its factorization.

311440042422103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532090361.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 311440042422103 its reverse (301224240044113), we get a palindrome (612664282466216).

The spelling of 311440042422103 in words is "three hundred eleven trillion, four hundred forty billion, forty-two million, four hundred twenty-two thousand, one hundred three".