28013431083 has 16 divisors (see below), whose sum is σ = 41848075776. Its totient is φ = 16518975840.

The previous prime is 28013431067. The next prime is 28013431099. The reversal of 28013431083 is 38013431082.

It is an interprime number because it is at equal distance from previous prime (28013431067) and next prime (28013431099).

It is not a de Polignac number, because 28013431083 - 2⁴ = 28013431067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (28013431013) 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 15 ways as a sum of consecutive naturals, for example, 11470291 + ... + 11472732.

It is an arithmetic number, because the mean of its divisors is an integer number (2615504736).

Almost surely, 2^28013431083 is an apocalyptic number.

28013431083 is a deficient number, since it is larger than the sum of its proper divisors (13834644693).

28013431083 is a wasteful number, since it uses less digits than its factorization.

28013431083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22943074.

The product of its (nonzero) digits is 13824, while the sum is 33.

Subtracting 28013431083 from its reverse (38013431082), we obtain a palindrome (9999999999).

The spelling of 28013431083 in words is "twenty-eight billion, thirteen million, four hundred thirty-one thousand, eighty-three".