43028447031 has 24 divisors (see below), whose sum is σ = 63841602240. Its totient is φ = 27912966336.

The previous prime is 43028447027. The next prime is 43028447069. The reversal of 43028447031 is 13074482034.

It is not a de Polignac number, because 43028447031 - 2² = 43028447027 is a prime.

It is a super-2 number, since 2×43028447031² (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 (43028447131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220816 + ... + 367173.

It is an arithmetic number, because the mean of its divisors is an integer number (2660066760).

Almost surely, 2^43028447031 is an apocalyptic number.

43028447031 is a deficient number, since it is larger than the sum of its proper divisors (20813155209).

43028447031 is a wasteful number, since it uses less digits than its factorization.

43028447031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588215 (or 588212 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 43028447031 in words is "forty-three billion, twenty-eight million, four hundred forty-seven thousand, thirty-one".