20131113030 has 32 divisors (see below), whose sum is σ = 55216767744. Its totient is φ = 4601397216.

The previous prime is 20131113011. The next prime is 20131113049. The reversal of 20131113030 is 3031113102.

It is an interprime number because it is at equal distance from previous prime (20131113011) and next prime (20131113049).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47931012 + ... + 47931431.

It is an arithmetic number, because the mean of its divisors is an integer number (1725523992).

Almost surely, 2^20131113030 is an apocalyptic number.

20131113030 is an abundant number, since it is smaller than the sum of its proper divisors (35085654714).

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

20131113030 is a wasteful number, since it uses less digits than its factorization.

20131113030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95862460.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 20131113030 its reverse (3031113102), we get a palindrome (23162226132).

The spelling of 20131113030 in words is "twenty billion, one hundred thirty-one million, one hundred thirteen thousand, thirty".