31553034044 has 12 divisors (see below), whose sum is σ = 63106068144. Its totient is φ = 13522728864.

The previous prime is 31553034043. The next prime is 31553034109. The reversal of 31553034044 is 44043035513.

31553034044 is an admirable number.

It is a super-3 number, since 3×31553034044³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31553034044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31553034041) 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 3 ways as a sum of consecutive naturals, for example, 563447009 + ... + 563447064.

It is an arithmetic number, because the mean of its divisors is an integer number (5258839012).

Almost surely, 2^31553034044 is an apocalyptic number.

It is an amenable number.

31553034044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31553034044 is a wasteful number, since it uses less digits than its factorization.

31553034044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126894084 (or 1126894082 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 31553034044 its reverse (44043035513), we get a palindrome (75596069557).

The spelling of 31553034044 in words is "thirty-one billion, five hundred fifty-three million, thirty-four thousand, forty-four".