331413523 has 12 divisors (see below), whose sum is σ = 399745200. Its totient is φ = 269115696.

The previous prime is 331413517. The next prime is 331413527. The reversal of 331413523 is 325314133.

It is not a de Polignac number, because 331413523 - 2⁵ = 331413491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331413527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63048 + ... + 68101.

It is an arithmetic number, because the mean of its divisors is an integer number (33312100).

Almost surely, 2^331413523 is an apocalyptic number.

331413523 is a deficient number, since it is larger than the sum of its proper divisors (68331677).

331413523 is a wasteful number, since it uses less digits than its factorization.

331413523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131194 (or 131175 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 331413523 is about 18204.7664912242. The cubic root of 331413523 is about 692.0275885010.

Adding to 331413523 its reverse (325314133), we get a palindrome (656727656).

The spelling of 331413523 in words is "three hundred thirty-one million, four hundred thirteen thousand, five hundred twenty-three".