331232461 has 16 divisors (see below), whose sum is σ = 392342400. Its totient is φ = 273607488.

The previous prime is 331232459. The next prime is 331232467. The reversal of 331232461 is 164232133.

It is not a de Polignac number, because 331232461 - 2¹ = 331232459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331232467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137455 + ... + 139843.

It is an arithmetic number, because the mean of its divisors is an integer number (24521400).

Almost surely, 2^331232461 is an apocalyptic number.

It is an amenable number.

331232461 is a deficient number, since it is larger than the sum of its proper divisors (61109939).

331232461 is a wasteful number, since it uses less digits than its factorization.

331232461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108.

The product of its digits is 2592, while the sum is 25.

The square root of 331232461 is about 18199.7928834369. The cubic root of 331232461 is about 691.9015398077.

Adding to 331232461 its reverse (164232133), we get a palindrome (495464594).

The spelling of 331232461 in words is "three hundred thirty-one million, two hundred thirty-two thousand, four hundred sixty-one".