43131284471 has 4 divisors (see below), whose sum is σ = 47052310344. Its totient is φ = 39210258600.

The previous prime is 43131284453. The next prime is 43131284473. The reversal of 43131284471 is 17448213134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43131284471 - 2³⁰ = 42057542647 is a prime.

It is a super-3 number, since 3×43131284471³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43131284473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960512920 + ... + 1960512941.

It is an arithmetic number, because the mean of its divisors is an integer number (11763077586).

Almost surely, 2^43131284471 is an apocalyptic number.

43131284471 is a deficient number, since it is larger than the sum of its proper divisors (3921025873).

43131284471 is a wasteful number, since it uses less digits than its factorization.

43131284471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921025872.

The product of its digits is 64512, while the sum is 38.

The spelling of 43131284471 in words is "forty-three billion, one hundred thirty-one million, two hundred eighty-four thousand, four hundred seventy-one".