Search a number
-
+
23033021131 is a prime number
BaseRepresentation
bin10101011100111000…
…000000001011001011
32012110012200201001201
4111130320000023023
5334132423134011
614325313325031
71443531310051
oct253470001313
965405621051
1023033021131
11984a5a375a
124569866777
132230b812b3
1411870461d1
158ec183cc1
hex55ce002cb

23033021131 has 2 divisors, whose sum is σ = 23033021132. Its totient is φ = 23033021130.

The previous prime is 23033021119. The next prime is 23033021153. The reversal of 23033021131 is 13112033032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23033021131 - 211 = 23033019083 is a prime.

It is a super-2 number, since 2×230330211312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23033021099 and 23033021108.

It is not a weakly prime, because it can be changed into another prime (23033027131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11516510565 + 11516510566.

It is an arithmetic number, because the mean of its divisors is an integer number (11516510566).

Almost surely, 223033021131 is an apocalyptic number.

23033021131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23033021131 is an equidigital number, since it uses as much as digits as its factorization.

23033021131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23033021131 its reverse (13112033032), we get a palindrome (36145054163).

The spelling of 23033021131 in words is "twenty-three billion, thirty-three million, twenty-one thousand, one hundred thirty-one".