30210123030 has 64 divisors (see below), whose sum is σ = 75829754880. Its totient is φ = 7688140416.

The previous prime is 30210123019. The next prime is 30210123089. The reversal of 30210123030 is 3032101203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 253044 + ... + 352776.

It is an arithmetic number, because the mean of its divisors is an integer number (1184839920).

Almost surely, 2^30210123030 is an apocalyptic number.

30210123030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30210123030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37914877440).

30210123030 is an abundant number, since it is smaller than the sum of its proper divisors (45619631850).

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

30210123030 is a wasteful number, since it uses less digits than its factorization.

30210123030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100205.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30210123030 its reverse (3032101203), we get a palindrome (33242224233).

The spelling of 30210123030 in words is "thirty billion, two hundred ten million, one hundred twenty-three thousand, thirty".