331003442 has 64 divisors (see below), whose sum is σ = 652437504. Its totient is φ = 122115840.

The previous prime is 331003433. The next prime is 331003471. The reversal of 331003442 is 244300133.

331003442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399833 + ... + 400659.

It is an arithmetic number, because the mean of its divisors is an integer number (10194336).

Almost surely, 2^331003442 is an apocalyptic number.

It is a pronic number, being equal to 18193×18194.

331003442 is a deficient number, since it is larger than the sum of its proper divisors (321434062).

331003442 is a wasteful number, since it uses less digits than its factorization.

331003442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 331003442 is about 18193.4999931294. The cubic root of 331003442 is about 691.7420394047.

Adding to 331003442 its reverse (244300133), we get a palindrome (575303575).

The spelling of 331003442 in words is "three hundred thirty-one million, three thousand, four hundred forty-two".