30123113130 has 48 divisors (see below), whose sum is σ = 85440105504. Its totient is φ = 7302572640.

The previous prime is 30123113113. The next prime is 30123113143. The reversal of 30123113130 is 3131132103.

It is a happy number.

30123113130 is a `hidden beast` number, since 30 + 12 + 311 + 313 + 0 = 666.

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

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, 15212704 + ... + 15214683.

It is an arithmetic number, because the mean of its divisors is an integer number (1780002198).

Almost surely, 2^30123113130 is an apocalyptic number.

30123113130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30123113130 is an abundant number, since it is smaller than the sum of its proper divisors (55316992374).

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

30123113130 is a wasteful number, since it uses less digits than its factorization.

30123113130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30427411 (or 30427408 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30123113130 its reverse (3131132103), we get a palindrome (33254245233).

The spelling of 30123113130 in words is "thirty billion, one hundred twenty-three million, one hundred thirteen thousand, one hundred thirty".