331481630 has 16 divisors (see below), whose sum is σ = 604221120. Its totient is φ = 130913952.

The previous prime is 331481621. The next prime is 331481639. The reversal of 331481630 is 36184133.

It is an interprime number because it is at equal distance from previous prime (331481621) and next prime (331481639).

It is a junction number, because it is equal to n+sod(n) for n = 331481593 and 331481602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331481639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209009 + ... + 210588.

It is an arithmetic number, because the mean of its divisors is an integer number (37763820).

Almost surely, 2^331481630 is an apocalyptic number.

331481630 is a deficient number, since it is larger than the sum of its proper divisors (272739490).

331481630 is a wasteful number, since it uses less digits than its factorization.

331481630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419683.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 331481630 is about 18206.6369766632. The cubic root of 331481630 is about 692.0749902026.

The spelling of 331481630 in words is "three hundred thirty-one million, four hundred eighty-one thousand, six hundred thirty".