Search a number
-
+
1331112323 is a prime number
BaseRepresentation
bin100111101010111…
…0010100110000011
310102202201111211102
41033111302212003
510211231043243
6340030205015
744662160642
oct11725624603
93382644742
101331112323
11623418432
1231195376b
13182a0c338
14c8add359
157bcd89b8
hex4f572983

1331112323 has 2 divisors, whose sum is σ = 1331112324. Its totient is φ = 1331112322.

The previous prime is 1331112283. The next prime is 1331112347. The reversal of 1331112323 is 3232111331.

It is a strong prime.

It is an emirp because it is prime and its reverse (3232111331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1331112323 - 220 = 1330063747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331112295 and 1331112304.

It is not a weakly prime, because it can be changed into another prime (1331112023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665556161 + 665556162.

It is an arithmetic number, because the mean of its divisors is an integer number (665556162).

Almost surely, 21331112323 is an apocalyptic number.

1331112323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331112323 is an equidigital number, since it uses as much as digits as its factorization.

1331112323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 20.

The square root of 1331112323 is about 36484.4120550133. The cubic root of 1331112323 is about 1100.0309421048.

Adding to 1331112323 its reverse (3232111331), we get a palindrome (4563223654).

The spelling of 1331112323 in words is "one billion, three hundred thirty-one million, one hundred twelve thousand, three hundred twenty-three".