31426868552 has 16 divisors (see below), whose sum is σ = 60037178940. Its totient is φ = 15416954176.

The previous prime is 31426868533. The next prime is 31426868563. The reversal of 31426868552 is 25586862413.

It can be written as a sum of positive squares in 2 ways, for example, as 30805164196 + 621704356 = 175514^2 + 24934^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31426868552.

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, 37059563 + ... + 37060410.

Almost surely, 2^31426868552 is an apocalyptic number.

It is an amenable number.

31426868552 is a deficient number, since it is larger than the sum of its proper divisors (28610310388).

31426868552 is a wasteful number, since it uses less digits than its factorization.

31426868552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74120032 (or 74120028 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 50.

The spelling of 31426868552 in words is "thirty-one billion, four hundred twenty-six million, eight hundred sixty-eight thousand, five hundred fifty-two".