Search a number
-
+
31828053337 is a prime number
BaseRepresentation
bin11101101001000110…
…011000110101011001
310001011011002122010021
4131221012120311121
51010140440201322
622342133350441
72204504663263
oct355106306531
9101134078107
1031828053337
1112553119613
126203198421
133003028072
14177d144b33
15c643744c7
hex769198d59

31828053337 has 2 divisors, whose sum is σ = 31828053338. Its totient is φ = 31828053336.

The previous prime is 31828053331. The next prime is 31828053371. The reversal of 31828053337 is 73335082813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28257273801 + 3570779536 = 168099^2 + 59756^2 .

It is an emirp because it is prime and its reverse (73335082813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31828053337 - 231 = 29680569689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31828053293 and 31828053302.

It is not a weakly prime, because it can be changed into another prime (31828053331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15914026668 + 15914026669.

It is an arithmetic number, because the mean of its divisors is an integer number (15914026669).

Almost surely, 231828053337 is an apocalyptic number.

It is an amenable number.

31828053337 is a deficient number, since it is larger than the sum of its proper divisors (1).

31828053337 is an equidigital number, since it uses as much as digits as its factorization.

31828053337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 31828053337 in words is "thirty-one billion, eight hundred twenty-eight million, fifty-three thousand, three hundred thirty-seven".