Search a number
-
+
13183031 is a prime number
BaseRepresentation
bin110010010010…
…100000110111
3220210202201102
4302102200313
511333324111
61150320315
7220024331
oct62224067
926722642
1013183031
117494674
1244b909b
132967614
141a72451
15125613b
hexc92837

13183031 has 2 divisors, whose sum is σ = 13183032. Its totient is φ = 13183030.

The previous prime is 13183003. The next prime is 13183039. The reversal of 13183031 is 13038131.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13038131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13183031 - 210 = 13182007 is a prime.

It is a super-2 number, since 2×131830312 = 347584612693922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13182994 and 13183012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13183039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6591515 + 6591516.

It is an arithmetic number, because the mean of its divisors is an integer number (6591516).

Almost surely, 213183031 is an apocalyptic number.

13183031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13183031 is an equidigital number, since it uses as much as digits as its factorization.

13183031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 13183031 is about 3630.8443921490. The cubic root of 13183031 is about 236.2318355248.

The spelling of 13183031 in words is "thirteen million, one hundred eighty-three thousand, thirty-one".