30231442100 has 18 divisors (see below), whose sum is σ = 65602229574. Its totient is φ = 12092576800.

The previous prime is 30231442097. The next prime is 30231442103. The reversal of 30231442100 is 124413203.

It is an interprime number because it is at equal distance from previous prime (30231442097) and next prime (30231442103).

It can be written as a sum of positive squares in 3 ways, for example, as 4884891664 + 25346550436 = 69892^2 + 159206^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231442103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151157111 + ... + 151157310.

Almost surely, 2^30231442100 is an apocalyptic number.

It is an amenable number.

30231442100 is an abundant number, since it is smaller than the sum of its proper divisors (35370787474).

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

30231442100 is a wasteful number, since it uses less digits than its factorization.

30231442100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302314435 (or 302314428 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30231442100 its reverse (124413203), we get a palindrome (30355855303).

The spelling of 30231442100 in words is "thirty billion, two hundred thirty-one million, four hundred forty-two thousand, one hundred".