Search a number
-
+
22011264031 is a prime number
BaseRepresentation
bin10100011111111110…
…010011110000011111
32002211000002001211011
4110133332103300133
5330034340422111
614040053440051
71406313441301
oct243776236037
962730061734
1022011264031
11937586a4a9
124323640027
1320ca296cb3
1410cb473971
1588c606021
hex51ff93c1f

22011264031 has 2 divisors, whose sum is σ = 22011264032. Its totient is φ = 22011264030.

The previous prime is 22011263993. The next prime is 22011264089. The reversal of 22011264031 is 13046211022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22011264031 - 219 = 22010739743 is a prime.

It is a super-2 number, since 2×220112640312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22011263993 and 22011264011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011964031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005632015 + 11005632016.

It is an arithmetic number, because the mean of its divisors is an integer number (11005632016).

Almost surely, 222011264031 is an apocalyptic number.

22011264031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011264031 is an equidigital number, since it uses as much as digits as its factorization.

22011264031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22011264031 its reverse (13046211022), we get a palindrome (35057475053).

The spelling of 22011264031 in words is "twenty-two billion, eleven million, two hundred sixty-four thousand, thirty-one".