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2231211023 is a prime number
BaseRepresentation
bin1000010011111101…
…1001010000001111
312202111102021010022
42010333121100033
514032142223043
61005222332355
7106201660256
oct20477312017
95674367108
102231211023
11a45507958
1252328a0bb
1329733b912
1417248379d
15d0d34868
hex84fd940f

2231211023 has 2 divisors, whose sum is σ = 2231211024. Its totient is φ = 2231211022.

The previous prime is 2231211007. The next prime is 2231211127. The reversal of 2231211023 is 3201121322.

2231211023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231211023 - 24 = 2231211007 is a prime.

It is a super-3 number, since 3×22312110233 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231210992 and 2231211010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231261023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115605511 + 1115605512.

It is an arithmetic number, because the mean of its divisors is an integer number (1115605512).

Almost surely, 22231211023 is an apocalyptic number.

2231211023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231211023 is an equidigital number, since it uses as much as digits as its factorization.

2231211023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2231211023 is about 47235.6964911072. The cubic root of 2231211023 is about 1306.7130116045.

Adding to 2231211023 its reverse (3201121322), we get a palindrome (5432332345).

The spelling of 2231211023 in words is "two billion, two hundred thirty-one million, two hundred eleven thousand, twenty-three".