31055476056 has 128 divisors (see below), whose sum is σ = 86095180800. Its totient is φ = 9255818880.

The previous prime is 31055476043. The next prime is 31055476057. The reversal of 31055476056 is 65067455013.

It is a junction number, because it is equal to n+sod(n) for n = 31055475999 and 31055476017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31055476057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18023211 + ... + 18024933.

It is an arithmetic number, because the mean of its divisors is an integer number (672618600).

Almost surely, 2^31055476056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31055476056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43047590400).

31055476056 is an abundant number, since it is smaller than the sum of its proper divisors (55039704744).

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

31055476056 is a wasteful number, since it uses less digits than its factorization.

31055476056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829 (or 2825 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 31055476056 in words is "thirty-one billion, fifty-five million, four hundred seventy-six thousand, fifty-six".