31204002 has 8 divisors (see below), whose sum is σ = 62408016. Its totient is φ = 10401332.

The previous prime is 31203989. The next prime is 31204007. The reversal of 31204002 is 20040213.

It is a sphenic number, since it is the product of 3 distinct primes.

31204002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (31204007) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2600328 + ... + 2600339.

It is an arithmetic number, because the mean of its divisors is an integer number (7801002).

Almost surely, 2^31204002 is an apocalyptic number.

31204002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31204002 is a wasteful number, since it uses less digits than its factorization.

31204002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200672.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 31204002 is about 5586.0542424864. The cubic root of 31204002 is about 314.8256429897.

Adding to 31204002 its reverse (20040213), we get a palindrome (51244215).

The spelling of 31204002 in words is "thirty-one million, two hundred four thousand, two".