Search a number
-
+
1351006231 is a prime number
BaseRepresentation
bin101000010000110…
…1011100000010111
310111011011020010211
41100201223200113
510231324144411
6342020430251
745323235451
oct12041534027
93434136124
101351006231
11633675a83
12318548387
13186b86393
14cb5db2d1
157d918221
hex5086b817

1351006231 has 2 divisors, whose sum is σ = 1351006232. Its totient is φ = 1351006230.

The previous prime is 1351006213. The next prime is 1351006243. The reversal of 1351006231 is 1326001531.

It is a happy number.

Together with previous prime (1351006213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1351006231 - 211 = 1351004183 is a prime.

It is a super-2 number, since 2×13510062312 = 3650435672401650722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351076231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675503115 + 675503116.

It is an arithmetic number, because the mean of its divisors is an integer number (675503116).

Almost surely, 21351006231 is an apocalyptic number.

1351006231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351006231 is an equidigital number, since it uses as much as digits as its factorization.

1351006231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1351006231 is about 36756.0366606630. The cubic root of 1351006231 is about 1105.4839730048.

Adding to 1351006231 its reverse (1326001531), we get a palindrome (2677007762).

The spelling of 1351006231 in words is "one billion, three hundred fifty-one million, six thousand, two hundred thirty-one".