20131100222311 has 32 divisors (see below), whose sum is σ = 23007970073088. Its totient is φ = 17474079342720.

The previous prime is 20131100222263. The next prime is 20131100222329. The reversal of 20131100222311 is 11322200113102.

It is not a de Polignac number, because 20131100222311 - 2²⁹ = 20130563351399 is a prime.

It is a super-2 number, since 2×20131100222311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131100222011) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1789425 + ... + 6592741.

It is an arithmetic number, because the mean of its divisors is an integer number (718999064784).

Almost surely, 2^{20131100222311} is an apocalyptic number.

20131100222311 is a deficient number, since it is larger than the sum of its proper divisors (2876869850777).

20131100222311 is a wasteful number, since it uses less digits than its factorization.

20131100222311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803591.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20131100222311 its reverse (11322200113102), we get a palindrome (31453300335413).

The spelling of 20131100222311 in words is "twenty trillion, one hundred thirty-one billion, one hundred million, two hundred twenty-two thousand, three hundred eleven".