245122404331 has 24 divisors (see below), whose sum is σ = 286698377472. Its totient is φ = 205288668000.

The previous prime is 245122404301. The next prime is 245122404347. The reversal of 245122404331 is 133404221542.

It is not a de Polignac number, because 245122404331 - 2⁷ = 245122404203 is a prime.

It is a super-2 number, since 2×245122404331² (a number of 24 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 = 245122404293 and 245122404302.

It is not an unprimeable number, because it can be changed into a prime (245122404301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3901936 + ... + 3964258.

It is an arithmetic number, because the mean of its divisors is an integer number (11945765728).

Almost surely, 2^245122404331 is an apocalyptic number.

245122404331 is a deficient number, since it is larger than the sum of its proper divisors (41575973141).

245122404331 is an equidigital number, since it uses as much as digits as its factorization.

245122404331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62603 (or 62542 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 245122404331 its reverse (133404221542), we get a palindrome (378526625873).

The spelling of 245122404331 in words is "two hundred forty-five billion, one hundred twenty-two million, four hundred four thousand, three hundred thirty-one".