Search a number
-
+
31122422422123 is a prime number
BaseRepresentation
bin1110001001110010000001…
…11011101101101001101011
311002012021102010111120220111
413010321000323231221223
513034402210120001443
6150105235443035151
76361343432511634
oct704710073555153
9132167363446814
1031122422422123
119a09a4410871a
1235a789836bab7
131449aa772b806
1479849475488b
1538e873eea69d
hex1c4e40eeda6b

31122422422123 has 2 divisors, whose sum is σ = 31122422422124. Its totient is φ = 31122422422122.

The previous prime is 31122422422099. The next prime is 31122422422141. The reversal of 31122422422123 is 32122422422113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31122422422123 is a prime.

It is not a weakly prime, because it can be changed into another prime (31122422422823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15561211211061 + 15561211211062.

It is an arithmetic number, because the mean of its divisors is an integer number (15561211211062).

Almost surely, 231122422422123 is an apocalyptic number.

31122422422123 is a deficient number, since it is larger than the sum of its proper divisors (1).

31122422422123 is an equidigital number, since it uses as much as digits as its factorization.

31122422422123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 31.

Adding to 31122422422123 its reverse (32122422422113), we get a palindrome (63244844844236).

The spelling of 31122422422123 in words is "thirty-one trillion, one hundred twenty-two billion, four hundred twenty-two million, four hundred twenty-two thousand, one hundred twenty-three".