331630054 has 16 divisors (see below), whose sum is σ = 593227008. Its totient is φ = 135947592.

The previous prime is 331630049. The next prime is 331630081. The reversal of 331630054 is 450036133.

331630054 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 514632 + ... + 515275.

It is an arithmetic number, because the mean of its divisors is an integer number (37076688).

Almost surely, 2^331630054 is an apocalyptic number.

331630054 is a deficient number, since it is larger than the sum of its proper divisors (261596954).

331630054 is a wasteful number, since it uses less digits than its factorization.

331630054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029939.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 331630054 is about 18210.7126164793. The cubic root of 331630054 is about 692.1782691392.

Adding to 331630054 its reverse (450036133), we get a palindrome (781666187).

The spelling of 331630054 in words is "three hundred thirty-one million, six hundred thirty thousand, fifty-four".