Search a number
-
+
2131330100213 = 19321535129197
BaseRepresentation
bin11111000000111101001…
…011000110101111110101
321112202100001121012001202
4133000331023012233311
5234404431001201323
64311041452502245
7306661226636426
oct37007513065765
97482301535052
102131330100213
1175198a306996
122a509617a985
13125ca2b82642
147522a87364d
153a6929c9d28
hex1f03d2c6bf5

2131330100213 has 8 divisors (see below), whose sum is σ = 2143368743448. Its totient is φ = 2119301720064.

The previous prime is 2131330100117. The next prime is 2131330100261. The reversal of 2131330100213 is 3120010331312.

It can be written as a sum of positive squares in 4 ways, for example, as 147350802769 + 1983979297444 = 383863^2 + 1408538^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131330100213 - 210 = 2131330099189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131330105213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2149070 + ... + 2980127.

It is an arithmetic number, because the mean of its divisors is an integer number (267921092931).

Almost surely, 22131330100213 is an apocalyptic number.

It is an amenable number.

2131330100213 is a deficient number, since it is larger than the sum of its proper divisors (12038643235).

2131330100213 is a wasteful number, since it uses less digits than its factorization.

2131330100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131543.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2131330100213 its reverse (3120010331312), we get a palindrome (5251340431525).

The spelling of 2131330100213 in words is "two trillion, one hundred thirty-one billion, three hundred thirty million, one hundred thousand, two hundred thirteen".

Divisors: 1 193 2153 415529 5129197 989935021 11043161141 2131330100213