31555935496089 has 15 divisors (see below), whose sum is σ = 47139189042693. Its totient is φ = 21037256625924.

The previous prime is 31555935496087. The next prime is 31555935496123. The reversal of 31555935496089 is 98069453955513.

It is a happy number.

The square root of 31555935496089 is 5617467.

It is a perfect power (a square), and thus also a powerful number.

31555935496089 is a `hidden beast` number, since 3 + 1 + 5 + 5 + 5 + 9 + 3 + 5 + 4 + 9 + 608 + 9 = 666.

It is not a de Polignac number, because 31555935496089 - 2¹ = 31555935496087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31555935496087) 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 14 ways as a sum of consecutive naturals, for example, 50245122 + ... + 50869284.

Almost surely, 2^{31555935496089} is an apocalyptic number.

31555935496089 is the 5617467-th square number.

31555935496089 is the 2808734-th centered octagonal number.

It is an amenable number.

31555935496089 is a deficient number, since it is larger than the sum of its proper divisors (15583253546604).

31555935496089 is an frugal number, since it uses more digits than its factorization.

31555935496089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248338 (or 624166 counting only the distinct ones).

The product of its (nonzero) digits is 787320000, while the sum is 72.

The spelling of 31555935496089 in words is "thirty-one trillion, five hundred fifty-five billion, nine hundred thirty-five million, four hundred ninety-six thousand, eighty-nine".