Search a number
-
+
3440081231 is a prime number
BaseRepresentation
bin1100110100001011…
…0111100101001111
322212202010020021222
43031002313211033
524021130044411
61325204513555
7151151131226
oct31502674517
98782106258
103440081231
111505921a44
128000ab8bb
1342a91a632
14248c41cbd
151520234db
hexcd0b794f

3440081231 has 2 divisors, whose sum is σ = 3440081232. Its totient is φ = 3440081230.

The previous prime is 3440081219. The next prime is 3440081251. The reversal of 3440081231 is 1321800443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3440081231 - 26 = 3440081167 is a prime.

It is a super-2 number, since 2×34400812312 = 23668317751756950722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3440081231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3440081251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720040615 + 1720040616.

It is an arithmetic number, because the mean of its divisors is an integer number (1720040616).

Almost surely, 23440081231 is an apocalyptic number.

3440081231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440081231 is an equidigital number, since it uses as much as digits as its factorization.

3440081231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 3440081231 is about 58652.2056789001. The cubic root of 3440081231 is about 1509.5803449109.

Adding to 3440081231 its reverse (1321800443), we get a palindrome (4761881674).

The spelling of 3440081231 in words is "three billion, four hundred forty million, eighty-one thousand, two hundred thirty-one".