31428876626 has 16 divisors (see below), whose sum is σ = 55334239296. Its totient is φ = 13105477296.

The previous prime is 31428876617. The next prime is 31428876629. The reversal of 31428876626 is 62667882413.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (31428876629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30336236 + ... + 30337271.

It is an arithmetic number, because the mean of its divisors is an integer number (3458389956).

Almost surely, 2^31428876626 is an apocalyptic number.

31428876626 is a deficient number, since it is larger than the sum of its proper divisors (23905362670).

31428876626 is a wasteful number, since it uses less digits than its factorization.

31428876626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60673553.

The product of its digits is 4644864, while the sum is 53.

The spelling of 31428876626 in words is "thirty-one billion, four hundred twenty-eight million, eight hundred seventy-six thousand, six hundred twenty-six".