271821131046 has 32 divisors (see below), whose sum is σ = 608658019200. Its totient is φ = 89915384520.

The previous prime is 271821131009. The next prime is 271821131047. The reversal of 271821131046 is 640131128172.

It is a super-4 number, since 4×271821131046⁴ (a number of 47 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 271821131046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271821131047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19205616 + ... + 19219763.

It is an arithmetic number, because the mean of its divisors is an integer number (19020563100).

Almost surely, 2^271821131046 is an apocalyptic number.

271821131046 is an abundant number, since it is smaller than the sum of its proper divisors (336836888154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

271821131046 is a wasteful number, since it uses less digits than its factorization.

271821131046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38425521 (or 38425515 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 271821131046 in words is "two hundred seventy-one billion, eight hundred twenty-one million, one hundred thirty-one thousand, forty-six".