28533037131 has 8 divisors (see below), whose sum is σ = 42271166160. Its totient is φ = 19022024736.

The previous prime is 28533037121. The next prime is 28533037153. The reversal of 28533037131 is 13173033582.

28533037131 is a `hidden beast` number, since 28 + 533 + 0 + 3 + 71 + 31 = 666.

It is not a de Polignac number, because 28533037131 - 2¹⁸ = 28532774987 is a prime.

It is a super-2 number, since 2×28533037131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28533037121) 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, 528389550 + ... + 528389603.

It is an arithmetic number, because the mean of its divisors is an integer number (5283895770).

Almost surely, 2^28533037131 is an apocalyptic number.

28533037131 is a deficient number, since it is larger than the sum of its proper divisors (13738129029).

28533037131 is a wasteful number, since it uses less digits than its factorization.

28533037131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056779162 (or 1056779156 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 28533037131 in words is "twenty-eight billion, five hundred thirty-three million, thirty-seven thousand, one hundred thirty-one".