30103131032 has 128 divisors (see below), whose sum is σ = 65637734400. Its totient is φ = 12832224768.

The previous prime is 30103131017. The next prime is 30103131041. The reversal of 30103131032 is 23013130103.

It is a super-2 number, since 2×30103131032² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30103131032.

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, 12300833 + ... + 12303279.

It is an arithmetic number, because the mean of its divisors is an integer number (512794800).

Almost surely, 2^30103131032 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 30103131032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32818867200).

30103131032 is an abundant number, since it is smaller than the sum of its proper divisors (35534603368).

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

30103131032 is a wasteful number, since it uses less digits than its factorization.

30103131032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665 (or 2661 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30103131032 its reverse (23013130103), we get a palindrome (53116261135).

The spelling of 30103131032 in words is "thirty billion, one hundred three million, one hundred thirty-one thousand, thirty-two".