20213112031130 has 16 divisors (see below), whose sum is σ = 36383656203720. Its totient is φ = 8085232690752.

The previous prime is 20213112031009. The next prime is 20213112031153. The reversal of 20213112031130 is 3113021131202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11786649382561 + 8426462648569 = 3433169^2 + 2902837^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8892692 + ... + 10931888.

Almost surely, 2^{20213112031130} is an apocalyptic number.

20213112031130 is a deficient number, since it is larger than the sum of its proper divisors (16170544172590).

20213112031130 is a wasteful number, since it uses less digits than its factorization.

20213112031130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030433.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20213112031130 its reverse (3113021131202), we get a palindrome (23326133162332).

The spelling of 20213112031130 in words is "twenty trillion, two hundred thirteen billion, one hundred twelve million, thirty-one thousand, one hundred thirty".