331234002 has 32 divisors (see below), whose sum is σ = 802992960. Its totient is φ = 100373760.

The previous prime is 331233983. The next prime is 331234019. The reversal of 331234002 is 200432133.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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, 278223 + ... + 279410.

It is an arithmetic number, because the mean of its divisors is an integer number (25093530).

Almost surely, 2^331234002 is an apocalyptic number.

331234002 is an abundant number, since it is smaller than the sum of its proper divisors (471758958).

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

331234002 is a wasteful number, since it uses less digits than its factorization.

331234002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557655 (or 557649 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 331234002 is about 18199.8352190343. The cubic root of 331234002 is about 691.9026127889.

Adding to 331234002 its reverse (200432133), we get a palindrome (531666135).

The spelling of 331234002 in words is "three hundred thirty-one million, two hundred thirty-four thousand, two".