31420848152 has 8 divisors (see below), whose sum is σ = 58914090300. Its totient is φ = 15710424072.

The previous prime is 31420848149. The next prime is 31420848203. The reversal of 31420848152 is 25184802413.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1963803002 + ... + 1963803017.

Almost surely, 2^31420848152 is an apocalyptic number.

It is an amenable number.

31420848152 is a deficient number, since it is larger than the sum of its proper divisors (27493242148).

31420848152 is a wasteful number, since it uses less digits than its factorization.

31420848152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927606025 (or 3927606021 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 31420848152 in words is "thirty-one billion, four hundred twenty million, eight hundred forty-eight thousand, one hundred fifty-two".