20213140311 has 96 divisors (see below), whose sum is σ = 36388864512. Its totient is φ = 10527978240.

The previous prime is 20213140279. The next prime is 20213140327. The reversal of 20213140311 is 11304131202.

20213140311 is a `hidden beast` number, since 2 + 0 + 213 + 140 + 311 = 666.

It is not a de Polignac number, because 20213140311 - 2⁵ = 20213140279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213150311) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 31435356 + ... + 31435998.

It is an arithmetic number, because the mean of its divisors is an integer number (379050672).

Almost surely, 2^20213140311 is an apocalyptic number.

20213140311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20213140311 is a deficient number, since it is larger than the sum of its proper divisors (16175724201).

20213140311 is a wasteful number, since it uses less digits than its factorization.

20213140311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20213140311 its reverse (11304131202), we get a palindrome (31517271513).

The spelling of 20213140311 in words is "twenty billion, two hundred thirteen million, one hundred forty thousand, three hundred eleven".