30310122102 has 64 divisors (see below), whose sum is σ = 66237212160. Its totient is φ = 9190497024.

The previous prime is 30310122071. The next prime is 30310122127. The reversal of 30310122102 is 20122101303.

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, 2642143 + ... + 2653589.

It is an arithmetic number, because the mean of its divisors is an integer number (1034956440).

Almost surely, 2^30310122102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30310122102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33118606080).

30310122102 is an abundant number, since it is smaller than the sum of its proper divisors (35927090058).

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

30310122102 is a wasteful number, since it uses less digits than its factorization.

30310122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11957.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30310122102 its reverse (20122101303), we get a palindrome (50432223405).

The spelling of 30310122102 in words is "thirty billion, three hundred ten million, one hundred twenty-two thousand, one hundred two".