Search a number
-
+
40871031337 is a prime number
BaseRepresentation
bin100110000100000110…
…100111001000101001
310220111101001111212101
4212010012213020221
51132200441000322
630435332013401
72644552014523
oct460406471051
9126441044771
1040871031337
11163736a4854
127b07761261
133b14675516
141d9a146a13
1510e31e0327
hex9841a7229

40871031337 has 2 divisors, whose sum is σ = 40871031338. Its totient is φ = 40871031336.

The previous prime is 40871031323. The next prime is 40871031367. The reversal of 40871031337 is 73313017804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37425223936 + 3445807401 = 193456^2 + 58701^2 .

It is a cyclic number.

It is not a de Polignac number, because 40871031337 - 215 = 40870998569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40871031296 and 40871031305.

It is not a weakly prime, because it can be changed into another prime (40871031307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20435515668 + 20435515669.

It is an arithmetic number, because the mean of its divisors is an integer number (20435515669).

Almost surely, 240871031337 is an apocalyptic number.

It is an amenable number.

40871031337 is a deficient number, since it is larger than the sum of its proper divisors (1).

40871031337 is an equidigital number, since it uses as much as digits as its factorization.

40871031337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 40871031337 in words is "forty billion, eight hundred seventy-one million, thirty-one thousand, three hundred thirty-seven".