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311211121112113 = 49916273761101921
BaseRepresentation
bin100011011000010110111110…
…0010100101111010000110001
31111210220111022010012222111011
41012300231330110233100301
5311242340334001041423
63021520225413550521
7122360155461545665
oct10660557424572061
91453814263188434
10311211121112113
1190185993679782
122aaa2972945441
131048610cb98841
1456bc9ad0888a5
1525ea4ae9a1b0d
hex11b0b7c52f431

311211121112113 has 16 divisors (see below), whose sum is σ = 312112479096000. Its totient is φ = 310310980761600.

The previous prime is 311211121112057. The next prime is 311211121112141.

311211121112113 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 311211121112113 - 29 = 311211121111601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311211121115113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3053403393 + ... + 3053505313.

It is an arithmetic number, because the mean of its divisors is an integer number (19507029943500).

Almost surely, 2311211121112113 is an apocalyptic number.

It is an amenable number.

311211121112113 is a deficient number, since it is larger than the sum of its proper divisors (901357983887).

311211121112113 is a wasteful number, since it uses less digits than its factorization.

311211121112113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107808.

The product of its digits is 72, while the sum is 22.

The spelling of 311211121112113 in words is "three hundred eleven trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twelve thousand, one hundred thirteen".

Divisors: 1 499 1627 3761 101921 811873 1876739 6119147 50858579 165825467 383324881 3053454353 82746908033 191279115619 623669581387 311211121112113