Search a number
-
+
313340881169 is a prime number
BaseRepresentation
bin1001000111101001001…
…00100110100100010001
31002221210021011000021002
410203310210212210101
520113210231144134
6355540302311345
731431610354541
oct4436444464421
91087707130232
10313340881169
11110983838828
1250889288555
1323717a13034
1411246c83321
15823d9e787e
hex48f4926911

313340881169 has 2 divisors, whose sum is σ = 313340881170. Its totient is φ = 313340881168.

The previous prime is 313340881153. The next prime is 313340881181. The reversal of 313340881169 is 961188043313.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270309527569 + 43031353600 = 519913^2 + 207440^2 .

It is a cyclic number.

It is not a de Polignac number, because 313340881169 - 24 = 313340881153 is a prime.

It is a super-2 number, since 2×3133408811692 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313340821169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156670440584 + 156670440585.

It is an arithmetic number, because the mean of its divisors is an integer number (156670440585).

Almost surely, 2313340881169 is an apocalyptic number.

It is an amenable number.

313340881169 is a deficient number, since it is larger than the sum of its proper divisors (1).

313340881169 is an equidigital number, since it uses as much as digits as its factorization.

313340881169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 313340881169 in words is "three hundred thirteen billion, three hundred forty million, eight hundred eighty-one thousand, one hundred sixty-nine".