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213133200131 = 1911217536849
BaseRepresentation
bin1100011001111110111…
…0101000101100000011
3202101010121201101012002
43012133232220230003
511442444044401011
6241525000054215
721253432211135
oct3063756505403
9671117641162
10213133200131
1182431153905
1235381a6436b
131713818a107
14a45c401055
155826437c3b
hex319fba8b03

213133200131 has 4 divisors (see below), whose sum is σ = 224350737000. Its totient is φ = 201915663264.

The previous prime is 213133200103. The next prime is 213133200143. The reversal of 213133200131 is 131002331312.

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

It is a cyclic number.

It is not a de Polignac number, because 213133200131 - 210 = 213133199107 is a prime.

It is a super-2 number, since 2×2131332001312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213133202131) 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, 5608768406 + ... + 5608768443.

It is an arithmetic number, because the mean of its divisors is an integer number (56087684250).

Almost surely, 2213133200131 is an apocalyptic number.

213133200131 is a deficient number, since it is larger than the sum of its proper divisors (11217536869).

213133200131 is a wasteful number, since it uses less digits than its factorization.

213133200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11217536868.

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

Adding to 213133200131 its reverse (131002331312), we get a palindrome (344135531443).

The spelling of 213133200131 in words is "two hundred thirteen billion, one hundred thirty-three million, two hundred thousand, one hundred thirty-one".

Divisors: 1 19 11217536849 213133200131