231611046 has 16 divisors (see below), whose sum is σ = 475742064. Its totient is φ = 75117024.

The previous prime is 231611033. The next prime is 231611047. The reversal of 231611046 is 640116132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231611047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521425 + ... + 521868.

It is an arithmetic number, because the mean of its divisors is an integer number (29733879).

Almost surely, 2^231611046 is an apocalyptic number.

231611046 is an abundant number, since it is smaller than the sum of its proper divisors (244131018).

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

231611046 is a wasteful number, since it uses less digits than its factorization.

231611046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043335.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 231611046 is about 15218.7728151780. The cubic root of 231611046 is about 614.1197851510.

Adding to 231611046 its reverse (640116132), we get a palindrome (871727178).

The spelling of 231611046 in words is "two hundred thirty-one million, six hundred eleven thousand, forty-six".