31485525453 has 12 divisors (see below), whose sum is σ = 45717205248. Its totient is φ = 20880452040.

The previous prime is 31485525437. The next prime is 31485525457. The reversal of 31485525453 is 35452558413.

It is a happy number.

31485525453 is a `hidden beast` number, since 3 + 1 + 4 + 85 + 525 + 45 + 3 = 666.

It is not a de Polignac number, because 31485525453 - 2⁴ = 31485525437 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31485525399 and 31485525408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31485525457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9156375 + ... + 9159812.

It is an arithmetic number, because the mean of its divisors is an integer number (3809767104).

Almost surely, 2^31485525453 is an apocalyptic number.

It is an amenable number.

31485525453 is a deficient number, since it is larger than the sum of its proper divisors (14231679795).

31485525453 is a wasteful number, since it uses less digits than its factorization.

31485525453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18316384 (or 18316381 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

The spelling of 31485525453 in words is "thirty-one billion, four hundred eighty-five million, five hundred twenty-five thousand, four hundred fifty-three".