331426002 has 8 divisors (see below), whose sum is σ = 662852016. Its totient is φ = 110475332.

The previous prime is 331425989. The next prime is 331426003. The reversal of 331426002 is 200624133.

It is a happy number.

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

331426002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 331426002.

It is not an unprimeable number, because it can be changed into a prime (331426003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27618828 + ... + 27618839.

It is an arithmetic number, because the mean of its divisors is an integer number (82856502).

Almost surely, 2^331426002 is an apocalyptic number.

331426002 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.

331426002 is a wasteful number, since it uses less digits than its factorization.

331426002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55237672.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 331426002 is about 18205.1092279063. The cubic root of 331426002 is about 692.0362742298.

The spelling of 331426002 in words is "three hundred thirty-one million, four hundred twenty-six thousand, two".