30100031100 has 216 divisors, whose sum is σ = 98017788960. Its totient is φ = 7719936000.

The previous prime is 30100031099. The next prime is 30100031119. The reversal of 30100031100 is 113000103.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2614156 + ... + 2625644.

It is an arithmetic number, because the mean of its divisors is an integer number (453786060).

Almost surely, 2^30100031100 is an apocalyptic number.

30100031100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30100031100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49008894480).

30100031100 is an abundant number, since it is smaller than the sum of its proper divisors (67917757860).

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

30100031100 is a wasteful number, since it uses less digits than its factorization.

30100031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11621 (or 11611 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

Adding to 30100031100 its reverse (113000103), we get a palindrome (30213031203).

It can be divided in two parts, 3010003 and 1100, that added together give a palindrome (3011103).

The spelling of 30100031100 in words is "thirty billion, one hundred million, thirty-one thousand, one hundred".