20112310001131 has 4 divisors (see below), whose sum is σ = 20113285069512. Its totient is φ = 20111334932752.

The previous prime is 20112310001107. The next prime is 20112310001177. The reversal of 20112310001131 is 13110001321102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20112310001131 - 2⁹ = 20112310000619 is a prime.

It is a super-2 number, since 2×20112310001131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112310001731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487503250 + ... + 487544503.

It is an arithmetic number, because the mean of its divisors is an integer number (5028321267378).

Almost surely, 2^{20112310001131} is an apocalyptic number.

20112310001131 is a deficient number, since it is larger than the sum of its proper divisors (975068381).

20112310001131 is an equidigital number, since it uses as much as digits as its factorization.

20112310001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975068380.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 20112310001131 its reverse (13110001321102), we get a palindrome (33222311322233).

The spelling of 20112310001131 in words is "twenty trillion, one hundred twelve billion, three hundred ten million, one thousand, one hundred thirty-one".