331145002 has 16 divisors (see below), whose sum is σ = 502612992. Its totient is φ = 163612800.

The previous prime is 331144999. The next prime is 331145041. The reversal of 331145002 is 200541133.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222553 + ... + 224035.

It is an arithmetic number, because the mean of its divisors is an integer number (31413312).

Almost surely, 2^331145002 is an apocalyptic number.

331145002 is a deficient number, since it is larger than the sum of its proper divisors (171467990).

331145002 is a wasteful number, since it uses less digits than its factorization.

331145002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 331145002 is about 18197.3899776864. The cubic root of 331145002 is about 691.8406376210.

Adding to 331145002 its reverse (200541133), we get a palindrome (531686135).

The spelling of 331145002 in words is "three hundred thirty-one million, one hundred forty-five thousand, two".