Search a number
-
+
31422222023 is a prime number
BaseRepresentation
bin11101010000111010…
…010000111011000111
310000002212110021012212
4131100322100323013
51003323042101043
622233555134035
72161446323513
oct352072207307
9100085407185
1031422222023
1112365030535
12610b2a431b
132c69c244aa
1417412a3143
15c3d90d018
hex750e90ec7

31422222023 has 2 divisors, whose sum is σ = 31422222024. Its totient is φ = 31422222022.

The previous prime is 31422222011. The next prime is 31422222031. The reversal of 31422222023 is 32022222413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31422222023 - 26 = 31422221959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31422222023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31422222053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711111011 + 15711111012.

It is an arithmetic number, because the mean of its divisors is an integer number (15711111012).

Almost surely, 231422222023 is an apocalyptic number.

31422222023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422222023 is an equidigital number, since it uses as much as digits as its factorization.

31422222023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 31422222023 its reverse (32022222413), we get a palindrome (63444444436).

The spelling of 31422222023 in words is "thirty-one billion, four hundred twenty-two million, two hundred twenty-two thousand, twenty-three".