331434312 has 64 divisors (see below), whose sum is σ = 957096000. Its totient is φ = 94525440.

The previous prime is 331434307. The next prime is 331434331. The reversal of 331434312 is 213434133.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32437 + ... + 41412.

It is an arithmetic number, because the mean of its divisors is an integer number (14954625).

Almost surely, 2^331434312 is an apocalyptic number.

It is an amenable number.

331434312 is an abundant number, since it is smaller than the sum of its proper divisors (625661688).

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

331434312 is a wasteful number, since it uses less digits than its factorization.

331434312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73886 (or 73882 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 331434312 is about 18205.3374591080. The cubic root of 331434312 is about 692.0420580984.

Adding to 331434312 its reverse (213434133), we get a palindrome (544868445).

The spelling of 331434312 in words is "three hundred thirty-one million, four hundred thirty-four thousand, three hundred twelve".