245312522331 has 16 divisors (see below), whose sum is σ = 327326781600. Its totient is φ = 163420028928.

The previous prime is 245312522309. The next prime is 245312522333. The reversal of 245312522331 is 133225213542.

It is not a de Polignac number, because 245312522331 - 2⁹ = 245312521819 is a prime.

It is a super-2 number, since 2×245312522331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245312522292 and 245312522301.

It is not an unprimeable number, because it can be changed into a prime (245312522333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32752635 + ... + 32760123.

It is an arithmetic number, because the mean of its divisors is an integer number (20457923850).

Almost surely, 2^245312522331 is an apocalyptic number.

245312522331 is a deficient number, since it is larger than the sum of its proper divisors (82014259269).

245312522331 is a wasteful number, since it uses less digits than its factorization.

245312522331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14158.

The product of its digits is 43200, while the sum is 33.

Adding to 245312522331 its reverse (133225213542), we get a palindrome (378537735873).

The spelling of 245312522331 in words is "two hundred forty-five billion, three hundred twelve million, five hundred twenty-two thousand, three hundred thirty-one".