Search a number
-
+
1831353137 is a prime number
BaseRepresentation
bin110110100101000…
…0011101100110001
311201122000101012222
41231022003230301
512222311300022
6501420130425
763245146655
oct15512035461
94648011188
101831353137
1185a829799
12431396a15
13232549c13
14135318a65
15aab9d242
hex6d283b31

1831353137 has 2 divisors, whose sum is σ = 1831353138. Its totient is φ = 1831353136.

The previous prime is 1831353119. The next prime is 1831353157. The reversal of 1831353137 is 7313531381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1235944336 + 595408801 = 35156^2 + 24401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1831353137 - 28 = 1831352881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1831353097 and 1831353106.

It is not a weakly prime, because it can be changed into another prime (1831353107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915676568 + 915676569.

It is an arithmetic number, because the mean of its divisors is an integer number (915676569).

Almost surely, 21831353137 is an apocalyptic number.

It is an amenable number.

1831353137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1831353137 is an equidigital number, since it uses as much as digits as its factorization.

1831353137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 1831353137 is about 42794.3119701673. The cubic root of 1831353137 is about 1223.4626026797.

It can be divided in two parts, 1 and 831353137, that added together give a palindrome (831353138).

The spelling of 1831353137 in words is "one billion, eight hundred thirty-one million, three hundred fifty-three thousand, one hundred thirty-seven".