13215234225031 has 2 divisors, whose sum is σ = 13215234225032. Its totient is φ = 13215234225030.

The previous prime is 13215234225029. The next prime is 13215234225077. The reversal of 13215234225031 is 13052243251231.

13215234225031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13052243251231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13215234225031 - 2¹ = 13215234225029 is a prime.

It is a super-2 number, since 2×13215234225031² (a number of 27 digits) contains 22 as substring.

Together with 13215234225029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13215234225131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6607617112515 + 6607617112516.

It is an arithmetic number, because the mean of its divisors is an integer number (6607617112516).

Almost surely, 2^{13215234225031} is an apocalyptic number.

13215234225031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13215234225031 is an equidigital number, since it uses as much as digits as its factorization.

13215234225031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 13215234225031 its reverse (13052243251231), we get a palindrome (26267477476262).

The spelling of 13215234225031 in words is "thirteen trillion, two hundred fifteen billion, two hundred thirty-four million, two hundred twenty-five thousand, thirty-one".