30801300120 has 96 divisors (see below), whose sum is σ = 100767345120. Its totient is φ = 8159270400.

The previous prime is 30801300119. The next prime is 30801300139. The reversal of 30801300120 is 2100310803.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30801300093 and 30801300102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228949 + ... + 337668.

It is an arithmetic number, because the mean of its divisors is an integer number (1049659845).

Almost surely, 2^30801300120 is an apocalyptic number.

30801300120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30801300120 is an abundant number, since it is smaller than the sum of its proper divisors (69966045000).

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

30801300120 is a wasteful number, since it uses less digits than its factorization.

30801300120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566785 (or 566778 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30801300120 its reverse (2100310803), we get a palindrome (32901610923).

The spelling of 30801300120 in words is "thirty billion, eight hundred one million, three hundred thousand, one hundred twenty".