245231224331 has 4 divisors (see below), whose sum is σ = 245292125112. Its totient is φ = 245170323552.

The previous prime is 245231224313. The next prime is 245231224351. The reversal of 245231224331 is 133422132542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133422132542 = 2 ⋅66711066271.

It is a cyclic number.

It is not a de Polignac number, because 245231224331 - 2⁶ = 245231224267 is a prime.

It is a super-3 number, since 3×245231224331³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245231224351) 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, 30444350 + ... + 30452403.

It is an arithmetic number, because the mean of its divisors is an integer number (61323031278).

Almost surely, 2^245231224331 is an apocalyptic number.

245231224331 is a deficient number, since it is larger than the sum of its proper divisors (60900781).

245231224331 is an equidigital number, since it uses as much as digits as its factorization.

245231224331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60900780.

The product of its digits is 34560, while the sum is 32.

Adding to 245231224331 its reverse (133422132542), we get a palindrome (378653356873).

The spelling of 245231224331 in words is "two hundred forty-five billion, two hundred thirty-one million, two hundred twenty-four thousand, three hundred thirty-one".