47873071031 has 4 divisors (see below), whose sum is σ = 47882228064. Its totient is φ = 47863914000.

The previous prime is 47873071027. The next prime is 47873071049. The reversal of 47873071031 is 13017037874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13017037874 = 2 ⋅6508518937.

It is a cyclic number.

It is not a de Polignac number, because 47873071031 - 2² = 47873071027 is a prime.

It is a super-2 number, since 2×47873071031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47873071031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47873071021) 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, 4570670 + ... + 4581131.

It is an arithmetic number, because the mean of its divisors is an integer number (11970557016).

Almost surely, 2^47873071031 is an apocalyptic number.

47873071031 is a deficient number, since it is larger than the sum of its proper divisors (9157033).

47873071031 is an equidigital number, since it uses as much as digits as its factorization.

47873071031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9157032.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 47873071031 in words is "forty-seven billion, eight hundred seventy-three million, seventy-one thousand, thirty-one".