Search a number
-
+
31422112314137 is a prime number
BaseRepresentation
bin1110010010100000001111…
…10101111011001100011001
311010020220222000220111110122
413021100013311323030121
513104304441223023022
6150455041421323025
76422113143535346
oct711200765731431
9133226860814418
1031422112314137
11a015052257226
123635995a06475
13146c12823086c
147a8ba46117cd
15397564350742
hex1c9407d7b319

31422112314137 has 2 divisors, whose sum is σ = 31422112314138. Its totient is φ = 31422112314136.

The previous prime is 31422112314127. The next prime is 31422112314239. The reversal of 31422112314137 is 73141321122413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18257195848336 + 13164916465801 = 4272844^2 + 3628349^2 .

It is a cyclic number.

It is not a de Polignac number, because 31422112314137 - 210 = 31422112313113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31422112314097 and 31422112314106.

It is not a weakly prime, because it can be changed into another prime (31422112314127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711056157068 + 15711056157069.

It is an arithmetic number, because the mean of its divisors is an integer number (15711056157069).

Almost surely, 231422112314137 is an apocalyptic number.

It is an amenable number.

31422112314137 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422112314137 is an equidigital number, since it uses as much as digits as its factorization.

31422112314137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The spelling of 31422112314137 in words is "thirty-one trillion, four hundred twenty-two billion, one hundred twelve million, three hundred fourteen thousand, one hundred thirty-seven".