Search a number
-
+
2044231313 is a prime number
BaseRepresentation
bin111100111011000…
…0111111010010001
312021110120201011212
41321312013322101
513141310400223
6534502545505
7101441452025
oct17166077221
95243521155
102044231313
11959a08273
12490738295
13267692b37
141556d0385
15be6ed278
hex79d87e91

2044231313 has 2 divisors, whose sum is σ = 2044231314. Its totient is φ = 2044231312.

The previous prime is 2044231307. The next prime is 2044231339. The reversal of 2044231313 is 3131324402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1430579329 + 613651984 = 37823^2 + 24772^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044231313 - 212 = 2044227217 is a prime.

It is a super-2 number, since 2×20442313132 = 8357763322099407938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2044231303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022115656 + 1022115657.

It is an arithmetic number, because the mean of its divisors is an integer number (1022115657).

Almost surely, 22044231313 is an apocalyptic number.

It is an amenable number.

2044231313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044231313 is an equidigital number, since it uses as much as digits as its factorization.

2044231313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2044231313 is about 45213.1763206258. The cubic root of 2044231313 is about 1269.1414026373.

Adding to 2044231313 its reverse (3131324402), we get a palindrome (5175555715).

The spelling of 2044231313 in words is "two billion, forty-four million, two hundred thirty-one thousand, three hundred thirteen".