31442435524425 has 24 divisors (see below), whose sum is σ = 51986415848896. Its totient is φ = 16768786328640.

The previous prime is 31442435524391. The next prime is 31442435524429. The reversal of 31442435524425 is 52442553424413.

It is not a de Polignac number, because 31442435524425 - 2²⁴ = 31442418747209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31442435524429) 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, 3931549 + ... + 8851098.

Almost surely, 2^{31442435524425} is an apocalyptic number.

It is an amenable number.

31442435524425 is a deficient number, since it is larger than the sum of its proper divisors (20543980324471).

31442435524425 is a wasteful number, since it uses less digits than its factorization.

31442435524425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12815457 (or 12815452 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 48.

Adding to 31442435524425 its reverse (52442553424413), we get a palindrome (83884988948838).

It can be divided in two parts, 3144243 and 5524425, that added together give a palindrome (8668668).

The spelling of 31442435524425 in words is "thirty-one trillion, four hundred forty-two billion, four hundred thirty-five million, five hundred twenty-four thousand, four hundred twenty-five".