Search a number
-
+
231324679 is a prime number
BaseRepresentation
bin11011100100110…
…11110000000111
3121010021111210201
431302123300013
5433204342204
634542031331
75506140655
oct1562336007
9533244721
10231324679
11109638723
1265578547
1338c04211
1422a17dd5
15154959a4
hexdc9bc07

231324679 has 2 divisors, whose sum is σ = 231324680. Its totient is φ = 231324678.

The previous prime is 231324671. The next prime is 231324683. The reversal of 231324679 is 976423132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231324679 - 23 = 231324671 is a prime.

It is a super-2 number, since 2×2313246792 = 107022214228906082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231324671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115662339 + 115662340.

It is an arithmetic number, because the mean of its divisors is an integer number (115662340).

Almost surely, 2231324679 is an apocalyptic number.

231324679 is a deficient number, since it is larger than the sum of its proper divisors (1).

231324679 is an equidigital number, since it uses as much as digits as its factorization.

231324679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 231324679 is about 15209.3615579353. The cubic root of 231324679 is about 613.8665787900.

The spelling of 231324679 in words is "two hundred thirty-one million, three hundred twenty-four thousand, six hundred seventy-nine".