303130232120 has 32 divisors (see below), whose sum is σ = 682088389920. Its totient is φ = 121244027520.

The previous prime is 303130232099. The next prime is 303130232123. The reversal of 303130232120 is 21232031303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 303130232092 and 303130232101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303130232123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376154 + ... + 864726.

It is an arithmetic number, because the mean of its divisors is an integer number (21315262185).

Almost surely, 2^303130232120 is an apocalyptic number.

It is an amenable number.

303130232120 is an abundant number, since it is smaller than the sum of its proper divisors (378958157800).

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

303130232120 is a wasteful number, since it uses less digits than its factorization.

303130232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504095 (or 504091 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 303130232120 its reverse (21232031303), we get a palindrome (324362263423).

The spelling of 303130232120 in words is "three hundred three billion, one hundred thirty million, two hundred thirty-two thousand, one hundred twenty".