331140004 has 48 divisors (see below), whose sum is σ = 642152448. Its totient is φ = 148457088.

The previous prime is 331140001. The next prime is 331140023. The reversal of 331140004 is 400041133.

It is a self number, because there is not a number n which added to its sum of digits gives 331140004.

It is not an unprimeable number, because it can be changed into a prime (331140001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383277 + ... + 384139.

It is an arithmetic number, because the mean of its divisors is an integer number (13378176).

Almost surely, 2^331140004 is an apocalyptic number.

It is an amenable number.

331140004 is a deficient number, since it is larger than the sum of its proper divisors (311012444).

331140004 is a wasteful number, since it uses less digits than its factorization.

331140004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 331140004 is about 18197.2526497821. The cubic root of 331140004 is about 691.8371569334.

Adding to 331140004 its reverse (400041133), we get a palindrome (731181137).

The spelling of 331140004 in words is "three hundred thirty-one million, one hundred forty thousand, four".