13213225150231 has 4 divisors (see below), whose sum is σ = 13235507149392. Its totient is φ = 13190943151072.

The previous prime is 13213225150201. The next prime is 13213225150261. The reversal of 13213225150231 is 13205152231231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13213225150201) and next prime (13213225150261).

It is a cyclic number.

It is not a de Polignac number, because 13213225150231 - 2³⁵ = 13178865411863 is a prime.

It is a super-2 number, since 2×13213225150231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13213225150193 and 13213225150202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213225150201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11140998691 + ... + 11140999876.

It is an arithmetic number, because the mean of its divisors is an integer number (3308876787348).

Almost surely, 2^{13213225150231} is an apocalyptic number.

13213225150231 is a deficient number, since it is larger than the sum of its proper divisors (22281999161).

13213225150231 is an equidigital number, since it uses as much as digits as its factorization.

13213225150231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22281999160.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 13213225150231 its reverse (13205152231231), we get a palindrome (26418377381462).

The spelling of 13213225150231 in words is "thirteen trillion, two hundred thirteen billion, two hundred twenty-five million, one hundred fifty thousand, two hundred thirty-one".