31855469548 has 24 divisors (see below), whose sum is σ = 63717393152. Its totient is φ = 13650961104.

The previous prime is 31855469537. The next prime is 31855469551. The reversal of 31855469548 is 84596455813.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31855469492 and 31855469501.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 253111 + ... + 357457.

Almost surely, 2^31855469548 is an apocalyptic number.

It is an amenable number.

31855469548 is an abundant number, since it is smaller than the sum of its proper divisors (31861923604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31855469548 is a wasteful number, since it uses less digits than its factorization.

31855469548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115261 (or 115259 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 58.

The spelling of 31855469548 in words is "thirty-one billion, eight hundred fifty-five million, four hundred sixty-nine thousand, five hundred forty-eight".