Search a number
-
+
1350542231 is a prime number
BaseRepresentation
bin101000001111111…
…1010001110010111
310111010021122122122
41100133322032113
510231214322411
6342002450155
745316263623
oct12037721627
93433248578
101350542231
11633389405
1231836395b
13186a5311c
14cb51a183
157d8759db
hex507fa397

1350542231 has 2 divisors, whose sum is σ = 1350542232. Its totient is φ = 1350542230.

The previous prime is 1350542197. The next prime is 1350542233. The reversal of 1350542231 is 1322450531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1350542231 is a prime.

It is a super-2 number, since 2×13505422312 = 3647928635428914722, which contains 22 as substring.

Together with 1350542233, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1350542231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1350542233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675271115 + 675271116.

It is an arithmetic number, because the mean of its divisors is an integer number (675271116).

Almost surely, 21350542231 is an apocalyptic number.

1350542231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350542231 is an equidigital number, since it uses as much as digits as its factorization.

1350542231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1350542231 is about 36749.7242302578. The cubic root of 1350542231 is about 1105.3573998659.

Adding to 1350542231 its reverse (1322450531), we get a palindrome (2672992762).

The spelling of 1350542231 in words is "one billion, three hundred fifty million, five hundred forty-two thousand, two hundred thirty-one".