Search a number
-
+
31244123023 is a prime number
BaseRepresentation
bin11101000110010010…
…110111101110001111
32222122110022220022121
4131012102313232033
51002441443414043
622204153553411
72154154443451
oct350622675617
988573286277
1031244123023
1112283547083
12607b715867
132c3c067979
1417257822d1
15c2ce7cded
hex7464b7b8f

31244123023 has 2 divisors, whose sum is σ = 31244123024. Its totient is φ = 31244123022.

The previous prime is 31244123003. The next prime is 31244123039. The reversal of 31244123023 is 32032144213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31244123023 - 213 = 31244114831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31244123003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15622061511 + 15622061512.

It is an arithmetic number, because the mean of its divisors is an integer number (15622061512).

Almost surely, 231244123023 is an apocalyptic number.

31244123023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31244123023 is an equidigital number, since it uses as much as digits as its factorization.

31244123023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31244123023 its reverse (32032144213), we get a palindrome (63276267236).

The spelling of 31244123023 in words is "thirty-one billion, two hundred forty-four million, one hundred twenty-three thousand, twenty-three".