30231013120 has 144 divisors (see below), whose sum is σ = 90281092608. Its totient is φ = 9422622720.

The previous prime is 30231013093. The next prime is 30231013123. The reversal of 30231013120 is 2131013203.

It is a super-2 number, since 2×30231013120² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 30231013094 and 30231013103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231013123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54804 + ... + 251923.

It is an arithmetic number, because the mean of its divisors is an integer number (626952032).

Almost surely, 2^30231013120 is an apocalyptic number.

It is an amenable number.

30231013120 is an abundant number, since it is smaller than the sum of its proper divisors (60050079488).

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

30231013120 is a wasteful number, since it uses less digits than its factorization.

30231013120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306766 (or 306752 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30231013120 its reverse (2131013203), we get a palindrome (32362026323).

The spelling of 30231013120 in words is "thirty billion, two hundred thirty-one million, thirteen thousand, one hundred twenty".