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1380182231 is a prime number
BaseRepresentation
bin101001001000011…
…1110100011010111
310120012001112002102
41102100332203113
510311311312411
6344542032315
746126232621
oct12220764327
93505045072
101380182231
1164909337a
1232627869b
1318cc3029c
14d1433c11
158127cd3b
hex5243e8d7

1380182231 has 2 divisors, whose sum is σ = 1380182232. Its totient is φ = 1380182230.

The previous prime is 1380182207. The next prime is 1380182233. The reversal of 1380182231 is 1322810831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1380182231 - 210 = 1380181207 is a prime.

It is a super-2 number, since 2×13801822312 = 3809805981536274722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1380182233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1380182194 and 1380182203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380182233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690091115 + 690091116.

It is an arithmetic number, because the mean of its divisors is an integer number (690091116).

Almost surely, 21380182231 is an apocalyptic number.

1380182231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380182231 is an equidigital number, since it uses as much as digits as its factorization.

1380182231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1380182231 is about 37150.8039078564. The cubic root of 1380182231 is about 1113.3852852538.

The spelling of 1380182231 in words is "one billion, three hundred eighty million, one hundred eighty-two thousand, two hundred thirty-one".