30310031120 has 160 divisors (see below), whose sum is σ = 75188044800. Its totient is φ = 11339108352.

The previous prime is 30310031107. The next prime is 30310031131. The reversal of 30310031120 is 2113001303.

It is a junction number, because it is equal to n+sod(n) for n = 30310031095 and 30310031104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15843284 + ... + 15845196.

It is an arithmetic number, because the mean of its divisors is an integer number (469925280).

Almost surely, 2^30310031120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30310031120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37594022400).

30310031120 is an abundant number, since it is smaller than the sum of its proper divisors (44878013680).

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

30310031120 is a wasteful number, since it uses less digits than its factorization.

30310031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137 (or 2131 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30310031120 its reverse (2113001303), we get a palindrome (32423032423).

The spelling of 30310031120 in words is "thirty billion, three hundred ten million, thirty-one thousand, one hundred twenty".