31425433016125 has 16 divisors (see below), whose sum is σ = 39219994957104. Its totient is φ = 25139670417600.

The previous prime is 31425433016113. The next prime is 31425433016129. The reversal of 31425433016125 is 52161033452413.

It can be written as a sum of positive squares in 8 ways, for example, as 8337465676089 + 23087967340036 = 2887467^2 + 4804994^2 .

It is not a de Polignac number, because 31425433016125 - 2⁵ = 31425433016093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31425433016129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1313347 + ... + 8035903.

It is an arithmetic number, because the mean of its divisors is an integer number (2451249684819).

Almost surely, 2^{31425433016125} is an apocalyptic number.

It is an amenable number.

31425433016125 is a deficient number, since it is larger than the sum of its proper divisors (7794561940979).

31425433016125 is an equidigital number, since it uses as much as digits as its factorization.

31425433016125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6759969 (or 6759959 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 31425433016125 its reverse (52161033452413), we get a palindrome (83586466468538).

The spelling of 31425433016125 in words is "thirty-one trillion, four hundred twenty-five billion, four hundred thirty-three million, sixteen thousand, one hundred twenty-five".