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116881313 is a prime number
BaseRepresentation
bin1101111011101…
…11011110100001
322010221012000112
412331313132201
5214410200223
615333101105
72616321563
oct675673641
9263835015
10116881313
115aa8172a
1233187795
131b2a4553
1411747333
15a3db778
hex6f777a1

116881313 has 2 divisors, whose sum is σ = 116881314. Its totient is φ = 116881312.

The previous prime is 116881291. The next prime is 116881321. The reversal of 116881313 is 313188611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111344704 + 5536609 = 10552^2 + 2353^2 .

It is an emirp because it is prime and its reverse (313188611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116881313 - 212 = 116877217 is a prime.

It is a super-4 number, since 4×1168813134 (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 116881313.

It is not a weakly prime, because it can be changed into another prime (116881333) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58440656 + 58440657.

It is an arithmetic number, because the mean of its divisors is an integer number (58440657).

Almost surely, 2116881313 is an apocalyptic number.

It is an amenable number.

116881313 is a deficient number, since it is larger than the sum of its proper divisors (1).

116881313 is an equidigital number, since it uses as much as digits as its factorization.

116881313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 32.

The square root of 116881313 is about 10811.1661258164. The cubic root of 116881313 is about 488.9318855225.

The spelling of 116881313 in words is "one hundred sixteen million, eight hundred eighty-one thousand, three hundred thirteen".