231568422471 has 24 divisors (see below), whose sum is σ = 352709111040. Its totient is φ = 145997542800.

The previous prime is 231568422469. The next prime is 231568422473. The reversal of 231568422471 is 174224865132.

231568422471 is a `hidden beast` number, since 2 + 3 + 1 + 568 + 42 + 2 + 47 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (231568422469) and next prime (231568422473).

It is not a de Polignac number, because 231568422471 - 2¹ = 231568422469 is a prime.

It is a super-3 number, since 3×231568422471³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231568422473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1088175 + ... + 1283456.

It is an arithmetic number, because the mean of its divisors is an integer number (14696212960).

Almost surely, 2^231568422471 is an apocalyptic number.

231568422471 is a deficient number, since it is larger than the sum of its proper divisors (121140688569).

231568422471 is a wasteful number, since it uses less digits than its factorization.

231568422471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372227 (or 2372224 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 231568422471 in words is "two hundred thirty-one billion, five hundred sixty-eight million, four hundred twenty-two thousand, four hundred seventy-one".