22031231201265 has 128 divisors (see below), whose sum is σ = 43902052959744. Its totient is φ = 9268807680000.

The previous prime is 22031231201249. The next prime is 22031231201267. The reversal of 22031231201265 is 56210213213022.

It is not a de Polignac number, because 22031231201265 - 2⁴ = 22031231201249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22031231201267) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29569815 + ... + 30305715.

It is an arithmetic number, because the mean of its divisors is an integer number (342984788748).

Almost surely, 2^{22031231201265} is an apocalyptic number.

It is an amenable number.

22031231201265 is a deficient number, since it is larger than the sum of its proper divisors (21870821758479).

22031231201265 is a wasteful number, since it uses less digits than its factorization.

22031231201265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736771.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 22031231201265 its reverse (56210213213022), we get a palindrome (78241444414287).

The spelling of 22031231201265 in words is "twenty-two trillion, thirty-one billion, two hundred thirty-one million, two hundred one thousand, two hundred sixty-five".