47731277234181 has 48 divisors (see below), whose sum is σ = 65164994216448. Its totient is φ = 31070548270080.

The previous prime is 47731277234159. The next prime is 47731277234189. The reversal of 47731277234181 is 18143277213774.

It is not a de Polignac number, because 47731277234181 - 2¹⁸ = 47731276972037 is a prime.

It is a super-2 number, since 2×47731277234181² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47731277234189) 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 47 ways as a sum of consecutive naturals, for example, 1599934041 + ... + 1599963873.

It is an arithmetic number, because the mean of its divisors is an integer number (1357604046176).

Almost surely, 2^{47731277234181} is an apocalyptic number.

It is an amenable number.

47731277234181 is a deficient number, since it is larger than the sum of its proper divisors (17433716982267).

47731277234181 is a wasteful number, since it uses less digits than its factorization.

47731277234181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30494 (or 30313 counting only the distinct ones).

The product of its digits is 11063808, while the sum is 57.

The spelling of 47731277234181 in words is "forty-seven trillion, seven hundred thirty-one billion, two hundred seventy-seven million, two hundred thirty-four thousand, one hundred eighty-one".