28232873031 has 16 divisors (see below), whose sum is σ = 41098066560. Its totient is φ = 17097469920.

The previous prime is 28232872897. The next prime is 28232873033. The reversal of 28232873031 is 13037823282.

It is not a de Polignac number, because 28232873031 - 2¹⁰ = 28232872007 is a prime.

It is a super-2 number, since 2×28232873031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28232873033) 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 15 ways as a sum of consecutive naturals, for example, 291076 + ... + 375753.

It is an arithmetic number, because the mean of its divisors is an integer number (2568629160).

Almost surely, 2^28232873031 is an apocalyptic number.

28232873031 is a deficient number, since it is larger than the sum of its proper divisors (12865193529).

28232873031 is a wasteful number, since it uses less digits than its factorization.

28232873031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668126.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 28232873031 in words is "twenty-eight billion, two hundred thirty-two million, eight hundred seventy-three thousand, thirty-one".