245323321022331 has 128 divisors (see below), whose sum is σ = 408701728512000. Its totient is φ = 144862005657600.

The previous prime is 245323321022327. The next prime is 245323321022341. The reversal of 245323321022331 is 133220123323542.

245323321022331 is a `hidden beast` number, since 2 + 4 + 5 + 323 + 321 + 0 + 2 + 2 + 3 + 3 + 1 = 666.

It is not a de Polignac number, because 245323321022331 - 2² = 245323321022327 is a prime.

It is a super-2 number, since 2×245323321022331² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245323321022341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 40748091 + ... + 46379451.

It is an arithmetic number, because the mean of its divisors is an integer number (3192982254000).

Almost surely, 2^{245323321022331} is an apocalyptic number.

245323321022331 is a deficient number, since it is larger than the sum of its proper divisors (163378407489669).

245323321022331 is a wasteful number, since it uses less digits than its factorization.

245323321022331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5631522 (or 5631516 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 245323321022331 its reverse (133220123323542), we get a palindrome (378543444345873).

The spelling of 245323321022331 in words is "two hundred forty-five trillion, three hundred twenty-three billion, three hundred twenty-one million, twenty-two thousand, three hundred thirty-one".