30031203130320 has 80 divisors (see below), whose sum is σ = 106396262524800. Its totient is φ = 6864275000832.

The previous prime is 30031203130307. The next prime is 30031203130381. The reversal of 30031203130320 is 2303130213003.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×30031203130320² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8937856395 + ... + 8937859754.

It is an arithmetic number, because the mean of its divisors is an integer number (1329953281560).

Almost surely, 2^{30031203130320} is an apocalyptic number.

30031203130320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30031203130320 is an abundant number, since it is smaller than the sum of its proper divisors (76365059394480).

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

30031203130320 is a wasteful number, since it uses less digits than its factorization.

30031203130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17875716172 (or 17875716166 counting only the distinct ones).

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

Adding to 30031203130320 its reverse (2303130213003), we get a palindrome (32334333343323).

The spelling of 30031203130320 in words is "thirty trillion, thirty-one billion, two hundred three million, one hundred thirty thousand, three hundred twenty".