31055532225 has 12 divisors (see below), whose sum is σ = 51345146736. Its totient is φ = 16562950480.

The previous prime is 31055532203. The next prime is 31055532241. The reversal of 31055532225 is 52223555013.

It is not a de Polignac number, because 31055532225 - 2¹³ = 31055524033 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 207036807 + ... + 207036956.

It is an arithmetic number, because the mean of its divisors is an integer number (4278762228).

Almost surely, 2^31055532225 is an apocalyptic number.

It is an amenable number.

31055532225 is a deficient number, since it is larger than the sum of its proper divisors (20289614511).

31055532225 is a wasteful number, since it uses less digits than its factorization.

31055532225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414073776 (or 414073771 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 31055532225 in words is "thirty-one billion, fifty-five million, five hundred thirty-two thousand, two hundred twenty-five".