31578674552 has 16 divisors (see below), whose sum is σ = 59875297200. Its totient is φ = 15611928640.

The previous prime is 31578674521. The next prime is 31578674591. The reversal of 31578674552 is 25547687513.

It is a super-2 number, since 2×31578674552² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31578674494 and 31578674503.

It is a congruent number.

It is an unprimeable number.

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, 22175324 + ... + 22176747.

It is an arithmetic number, because the mean of its divisors is an integer number (3742206075).

Almost surely, 2^31578674552 is an apocalyptic number.

It is an amenable number.

31578674552 is a deficient number, since it is larger than the sum of its proper divisors (28296622648).

31578674552 is a wasteful number, since it uses less digits than its factorization.

31578674552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44352166 (or 44352162 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 53.

The spelling of 31578674552 in words is "thirty-one billion, five hundred seventy-eight million, six hundred seventy-four thousand, five hundred fifty-two".