31306053744 has 120 divisors (see below), whose sum is σ = 104531055120. Its totient is φ = 8944580736.

The previous prime is 31306053743. The next prime is 31306053749. The reversal of 31306053744 is 44735060313.

31306053744 is a `hidden beast` number, since 3 + 1 + 3 + 0 + 605 + 3 + 7 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 31306053699 and 31306053708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31306053743) 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 23 ways as a sum of consecutive naturals, for example, 718299 + ... + 760634.

It is an arithmetic number, because the mean of its divisors is an integer number (871092126).

Almost surely, 2^31306053744 is an apocalyptic number.

It is an amenable number.

31306053744 is an abundant number, since it is smaller than the sum of its proper divisors (73225001376).

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

31306053744 is a wasteful number, since it uses less digits than its factorization.

31306053744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478964 (or 1478945 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The spelling of 31306053744 in words is "thirty-one billion, three hundred six million, fifty-three thousand, seven hundred forty-four".