Search a number
-
+
131252683 is a prime number
BaseRepresentation
bin1111101001011…
…00000111001011
3100010222022211111
413310230013023
5232100041213
621005111151
73152425612
oct764540713
9303868744
10131252683
11680a80a1
1237b584b7
1321266a13
1413608879
15b7c9a3d
hex7d2c1cb

131252683 has 2 divisors, whose sum is σ = 131252684. Its totient is φ = 131252682.

The previous prime is 131252621. The next prime is 131252687. The reversal of 131252683 is 386252131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131252683 - 217 = 131121611 is a prime.

It is not a weakly prime, because it can be changed into another prime (131252687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65626341 + 65626342.

It is an arithmetic number, because the mean of its divisors is an integer number (65626342).

Almost surely, 2131252683 is an apocalyptic number.

131252683 is a deficient number, since it is larger than the sum of its proper divisors (1).

131252683 is an equidigital number, since it uses as much as digits as its factorization.

131252683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 131252683 is about 11456.5563325111. The cubic root of 131252683 is about 508.2016412301.

The spelling of 131252683 in words is "one hundred thirty-one million, two hundred fifty-two thousand, six hundred eighty-three".