311440304311121 has 8 divisors (see below), whose sum is σ = 323411836199424. Its totient is φ = 299589089326560.

The previous prime is 311440304311099. The next prime is 311440304311141. The reversal of 311440304311121 is 121113403044113.

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

It is a cyclic number.

It is not a de Polignac number, because 311440304311121 - 2⁶ = 311440304311057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311440304311141) 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, 30079220660 + ... + 30079231013.

It is an arithmetic number, because the mean of its divisors is an integer number (40426479524928).

Almost surely, 2^{311440304311121} is an apocalyptic number.

311440304311121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

311440304311121 is a deficient number, since it is larger than the sum of its proper divisors (11971531888303).

311440304311121 is a wasteful number, since it uses less digits than its factorization.

311440304311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60158451871.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 311440304311121 its reverse (121113403044113), we get a palindrome (432553707355234).

The spelling of 311440304311121 in words is "three hundred eleven trillion, four hundred forty billion, three hundred four million, three hundred eleven thousand, one hundred twenty-one".