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311441112101401 = 473937765713513
BaseRepresentation
bin100011011010000010000100…
…0110110101111001000011001
31111211201110221120211202222121
41012310010020312233020121
5311310122344144221101
63022214023255021241
7122412610042652362
oct10664041066571031
91454643846752877
10311441112101401
119026448558a037
122ab1b45a36a821
13104a1a03746609
1456c9b8a30ab69
152601470d700a1
hex11b4108daf219

311441112101401 has 4 divisors (see below), whose sum is σ = 311441182554292. Its totient is φ = 311441041648512.

The previous prime is 311441112101389. The next prime is 311441112101411. The reversal of 311441112101401 is 104101211144113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 183485446662400 + 127955665439001 = 13545680^2 + 11311749^2 .

It is a cyclic number.

It is not a de Polignac number, because 311441112101401 - 29 = 311441112100889 is a prime.

It is a super-2 number, since 2×3114411121014012 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311441112101411) 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, 28117380 + ... + 37596133.

It is an arithmetic number, because the mean of its divisors is an integer number (77860295638573).

Almost surely, 2311441112101401 is an apocalyptic number.

It is an amenable number.

311441112101401 is a deficient number, since it is larger than the sum of its proper divisors (70452891).

311441112101401 is an equidigital number, since it uses as much as digits as its factorization.

311441112101401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70452890.

The product of its (nonzero) digits is 384, while the sum is 25.

Adding to 311441112101401 its reverse (104101211144113), we get a palindrome (415542323245514).

The spelling of 311441112101401 in words is "three hundred eleven trillion, four hundred forty-one billion, one hundred twelve million, one hundred one thousand, four hundred one".

Divisors: 1 4739377 65713513 311441112101401