31325232441625 has 16 divisors (see below), whose sum is σ = 39249642676608. Its totient is φ = 24960344550000.

The previous prime is 31325232441619. The next prime is 31325232441653. The reversal of 31325232441625 is 52614423252313.

It is not a de Polignac number, because 31325232441625 - 2⁵ = 31325232441593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499175517 + ... + 499238266.

It is an arithmetic number, because the mean of its divisors is an integer number (2453102667288).

Almost surely, 2^{31325232441625} is an apocalyptic number.

It is an amenable number.

31325232441625 is a deficient number, since it is larger than the sum of its proper divisors (7924410234983).

31325232441625 is an equidigital number, since it uses as much as digits as its factorization.

31325232441625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998414049 (or 998414039 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 43.

Adding to 31325232441625 its reverse (52614423252313), we get a palindrome (83939655693938).

The spelling of 31325232441625 in words is "thirty-one trillion, three hundred twenty-five billion, two hundred thirty-two million, four hundred forty-one thousand, six hundred twenty-five".