Search a number
-
+
1383690131 is a prime number
BaseRepresentation
bin101001001111001…
…0110111110010011
310120102122202000122
41102132112332103
510313211041011
6345145140455
746201113005
oct12236267623
93512582018
101383690131
1165006996a
1232748a72b
1319088ab75
14d1aa8375
15817223db
hex52796f93

1383690131 has 2 divisors, whose sum is σ = 1383690132. Its totient is φ = 1383690130.

The previous prime is 1383690109. The next prime is 1383690149. The reversal of 1383690131 is 1310963831.

It is a strong prime.

It is an emirp because it is prime and its reverse (1310963831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1383690131 - 210 = 1383689107 is a prime.

It is a super-2 number, since 2×13836901312 = 3829196757253594322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1383690091 and 1383690100.

It is not a weakly prime, because it can be changed into another prime (1383690331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691845065 + 691845066.

It is an arithmetic number, because the mean of its divisors is an integer number (691845066).

Almost surely, 21383690131 is an apocalyptic number.

1383690131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383690131 is an equidigital number, since it uses as much as digits as its factorization.

1383690131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1383690131 is about 37197.9855771788. The cubic root of 1383690131 is about 1114.3277550065.

The spelling of 1383690131 in words is "one billion, three hundred eighty-three million, six hundred ninety thousand, one hundred thirty-one".