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20132431002113 = 197102195081229
BaseRepresentation
bin1001001001111011100100…
…11001011111101000000001
32122021122022201202110020212
410210331302121133220001
510114322204314031423
6110452413334043505
74145343256663643
oct444756231375001
978248281673225
1020132431002113
1164621304a4021
1223119724a9595
13b30631a0a351
144d85b4536893
1524da56346578
hex124f7265fa01

20132431002113 has 4 divisors (see below), whose sum is σ = 20234626083540. Its totient is φ = 20030235920688.

The previous prime is 20132431002109. The next prime is 20132431002181. The reversal of 20132431002113 is 31120013423102.

Adding to 20132431002113 its reverse (31120013423102), we get a palindrome (51252444425215).

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

It can be written as a sum of positive squares in 2 ways, for example, as 15665075315569 + 4467355686544 = 3957913^2 + 2113612^2 .

It is a cyclic number.

It is not a de Polignac number, because 20132431002113 - 22 = 20132431002109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20132431001113) 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, 51097540418 + ... + 51097540811.

It is an arithmetic number, because the mean of its divisors is an integer number (5058656520885).

Almost surely, 220132431002113 is an apocalyptic number.

It is an amenable number.

20132431002113 is a deficient number, since it is larger than the sum of its proper divisors (102195081427).

20132431002113 is a wasteful number, since it uses less digits than its factorization.

20132431002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102195081426.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 20132431002113 in words is "twenty trillion, one hundred thirty-two billion, four hundred thirty-one million, two thousand, one hundred thirteen".

Divisors: 1 197 102195081229 20132431002113