231541667 has 16 divisors (see below), whose sum is σ = 276825600. Its totient is φ = 189353472.

The previous prime is 231541601. The next prime is 231541669. The reversal of 231541667 is 766145132.

It is not a de Polignac number, because 231541667 - 2¹² = 231537571 is a prime.

It is a super-2 number, since 2×231541667² = 107223087114277778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231541669) 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, 70688 + ... + 73890.

It is an arithmetic number, because the mean of its divisors is an integer number (17301600).

Almost surely, 2^231541667 is an apocalyptic number.

231541667 is a deficient number, since it is larger than the sum of its proper divisors (45283933).

231541667 is a wasteful number, since it uses less digits than its factorization.

231541667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682.

The product of its digits is 30240, while the sum is 35.

The square root of 231541667 is about 15216.4932556749. The cubic root of 231541667 is about 614.0584592452.

Adding to 231541667 its reverse (766145132), we get a palindrome (997686799).

It can be divided in two parts, 2315 and 41667, that multiplied together give a triangular number (96459105 = T₁₃₈₈₉).

The spelling of 231541667 in words is "two hundred thirty-one million, five hundred forty-one thousand, six hundred sixty-seven".