Search a number
-
+
3001242431281 is a prime number
BaseRepresentation
bin101011101011000111111…
…111010010111100110001
3101121220201202010022202111
4223223013333102330301
5343133021030300111
610214430213045321
7426555404514523
oct53530777227461
911556652108674
103001242431281
11a57902123796
124057b2026841
1318a02905c743
14a5391d0da13
1553108861a21
hex2bac7fd2f31

3001242431281 has 2 divisors, whose sum is σ = 3001242431282. Its totient is φ = 3001242431280.

The previous prime is 3001242431189. The next prime is 3001242431323. The reversal of 3001242431281 is 1821342421003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2489279285025 + 511963146256 = 1577745^2 + 715516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3001242431281 is a prime.

It is a super-2 number, since 2×30012424312812 (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3001242431381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500621215640 + 1500621215641.

It is an arithmetic number, because the mean of its divisors is an integer number (1500621215641).

Almost surely, 23001242431281 is an apocalyptic number.

It is an amenable number.

3001242431281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3001242431281 is an equidigital number, since it uses as much as digits as its factorization.

3001242431281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 3001242431281 its reverse (1821342421003), we get a palindrome (4822584852284).

The spelling of 3001242431281 in words is "three trillion, one billion, two hundred forty-two million, four hundred thirty-one thousand, two hundred eighty-one".