303130331220 has 96 divisors (see below), whose sum is σ = 851139088128. Its totient is φ = 80608960512.

The previous prime is 303130331213. The next prime is 303130331249. The reversal of 303130331220 is 22133031303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36796942 + ... + 36805178.

It is an arithmetic number, because the mean of its divisors is an integer number (8866032168).

Almost surely, 2^303130331220 is an apocalyptic number.

303130331220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

303130331220 is an abundant number, since it is smaller than the sum of its proper divisors (548008756908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303130331220 is a wasteful number, since it uses less digits than its factorization.

303130331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9889 (or 9887 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 303130331220 its reverse (22133031303), we get a palindrome (325263362523).

The spelling of 303130331220 in words is "three hundred three billion, one hundred thirty million, three hundred thirty-one thousand, two hundred twenty".