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111312313001 is a prime number
BaseRepresentation
bin110011110101010111…
…0110001101010101001
3101122022112202101101022
41213222232301222221
53310431423004001
6123045225102225
711020265022611
oct1475256615251
9348275671338
10111312313001
114323099830a
12196a6327975
13a65c356486
14555d5cba41
152d6741b11b
hex19eabb1aa9

111312313001 has 2 divisors, whose sum is σ = 111312313002. Its totient is φ = 111312313000.

The previous prime is 111312312997. The next prime is 111312313061. The reversal of 111312313001 is 100313213111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77103960976 + 34208352025 = 277676^2 + 184955^2 .

It is an emirp because it is prime and its reverse (100313213111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111312313001 - 22 = 111312312997 is a prime.

It is not a weakly prime, because it can be changed into another prime (111312313061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55656156500 + 55656156501.

It is an arithmetic number, because the mean of its divisors is an integer number (55656156501).

Almost surely, 2111312313001 is an apocalyptic number.

It is an amenable number.

111312313001 is a deficient number, since it is larger than the sum of its proper divisors (1).

111312313001 is an equidigital number, since it uses as much as digits as its factorization.

111312313001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111312313001 its reverse (100313213111), we get a palindrome (211625526112).

The spelling of 111312313001 in words is "one hundred eleven billion, three hundred twelve million, three hundred thirteen thousand, one".