20313302211131 has 16 divisors (see below), whose sum is σ = 20641486981248. Its totient is φ = 19987116240000.

The previous prime is 20313302211101. The next prime is 20313302211179. The reversal of 20313302211131 is 13111220331302.

It is a cyclic number.

It is not a de Polignac number, because 20313302211131 - 2¹⁴ = 20313302194747 is a prime.

It is a super-2 number, since 2×20313302211131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20313302211097 and 20313302211106.

It is not an unprimeable number, because it can be changed into a prime (20313302211101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368320700 + ... + 368375846.

It is an arithmetic number, because the mean of its divisors is an integer number (1290092936328).

Almost surely, 2^{20313302211131} is an apocalyptic number.

20313302211131 is a deficient number, since it is larger than the sum of its proper divisors (328184770117).

20313302211131 is a wasteful number, since it uses less digits than its factorization.

20313302211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73162.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20313302211131 its reverse (13111220331302), we get a palindrome (33424522542433).

The spelling of 20313302211131 in words is "twenty trillion, three hundred thirteen billion, three hundred two million, two hundred eleven thousand, one hundred thirty-one".