Search a number
-
+
231633001 is a prime number
BaseRepresentation
bin11011100111001…
…11000001101001
3121010212011202001
431303213001221
5433244224001
634552411001
75511563605
oct1563470151
9533764661
10231633001
11109829336
12656a6a61
1338cb1662
1422a98505
1515507001
hexdce7069

231633001 has 2 divisors, whose sum is σ = 231633002. Its totient is φ = 231633000.

The previous prime is 231632969. The next prime is 231633029. The reversal of 231633001 is 100336132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227285776 + 4347225 = 15076^2 + 2085^2 .

It is a cyclic number.

It is not a de Polignac number, because 231633001 - 25 = 231632969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231633001.

It is not a weakly prime, because it can be changed into another prime (231633601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115816500 + 115816501.

It is an arithmetic number, because the mean of its divisors is an integer number (115816501).

Almost surely, 2231633001 is an apocalyptic number.

It is an amenable number.

231633001 is a deficient number, since it is larger than the sum of its proper divisors (1).

231633001 is an equidigital number, since it uses as much as digits as its factorization.

231633001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 231633001 is about 15219.4941111720. The cubic root of 231633001 is about 614.1391891966.

Adding to 231633001 its reverse (100336132), we get a palindrome (331969133).

The spelling of 231633001 in words is "two hundred thirty-one million, six hundred thirty-three thousand, one".