13340020231 has 2 divisors, whose sum is σ = 13340020232. Its totient is φ = 13340020230.

The previous prime is 13340020229. The next prime is 13340020237. The reversal of 13340020231 is 13202004331.

It is a weak prime.

It is an emirp because it is prime and its reverse (13202004331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13340020231 - 2¹ = 13340020229 is a prime.

It is a super-2 number, since 2×13340020231² (a number of 21 digits) contains 22 as substring.

Together with 13340020229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13340020199 and 13340020208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13340020237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6670010115 + 6670010116.

It is an arithmetic number, because the mean of its divisors is an integer number (6670010116).

Almost surely, 2^13340020231 is an apocalyptic number.

13340020231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13340020231 is an equidigital number, since it uses as much as digits as its factorization.

13340020231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13340020231 its reverse (13202004331), we get a palindrome (26542024562).

The spelling of 13340020231 in words is "thirteen billion, three hundred forty million, twenty thousand, two hundred thirty-one".