271431693 has 12 divisors (see below), whose sum is σ = 422227260. Its totient is φ = 167034816.

The previous prime is 271431647. The next prime is 271431737. The reversal of 271431693 is 396134172.

It can be written as a sum of positive squares in 2 ways, for example, as 184606569 + 86825124 = 13587^2 + 9318^2 .

It is not a de Polignac number, because 271431693 - 2¹⁰ = 271430669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271441693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1159848 + ... + 1160081.

It is an arithmetic number, because the mean of its divisors is an integer number (35185605).

Almost surely, 2^271431693 is an apocalyptic number.

It is an amenable number.

271431693 is a deficient number, since it is larger than the sum of its proper divisors (150795567).

271431693 is a wasteful number, since it uses less digits than its factorization.

271431693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319948 (or 2319945 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 271431693 is about 16475.1841567856. The cubic root of 271431693 is about 647.4707970710.

The spelling of 271431693 in words is "two hundred seventy-one million, four hundred thirty-one thousand, six hundred ninety-three".