245122351431 has 16 divisors (see below), whose sum is σ = 333373712256. Its totient is φ = 160149933216.

The previous prime is 245122351423. The next prime is 245122351457. The reversal of 245122351431 is 134153221542.

It is not a de Polignac number, because 245122351431 - 2³ = 245122351423 is a prime.

It is a super-2 number, since 2×245122351431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245122351392 and 245122351401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245122351471) 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, 732565 + ... + 1013358.

It is an arithmetic number, because the mean of its divisors is an integer number (20835857016).

Almost surely, 2^245122351431 is an apocalyptic number.

245122351431 is a deficient number, since it is larger than the sum of its proper divisors (88251360825).

245122351431 is a wasteful number, since it uses less digits than its factorization.

245122351431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746862.

The product of its digits is 28800, while the sum is 33.

Adding to 245122351431 its reverse (134153221542), we get a palindrome (379275572973).

The spelling of 245122351431 in words is "two hundred forty-five billion, one hundred twenty-two million, three hundred fifty-one thousand, four hundred thirty-one".