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201330201131 = 1135117736781
BaseRepresentation
bin1011101110000000110…
…1110001001000101011
3201020200001021220101222
42323200031301020223
511244311012414011
6232253444532255
720355102321263
oct2734015611053
9636601256358
10201330201131
1178424716a84
12330290b108b
1315ca6a9c837
149a5ca247a3
15538512cddb
hex2ee037122b

201330201131 has 4 divisors (see below), whose sum is σ = 201347949264. Its totient is φ = 201312453000.

The previous prime is 201330201113. The next prime is 201330201139. The reversal of 201330201131 is 131102033102.

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 201330201131 - 218 = 201329938987 is a prime.

It is a super-2 number, since 2×2013302011312 (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 (201330201139) 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, 8857040 + ... + 8879741.

It is an arithmetic number, because the mean of its divisors is an integer number (50336987316).

Almost surely, 2201330201131 is an apocalyptic number.

201330201131 is a deficient number, since it is larger than the sum of its proper divisors (17748133).

201330201131 is a wasteful number, since it uses less digits than its factorization.

201330201131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17748132.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 201330201131 its reverse (131102033102), we get a palindrome (332432234233).

The spelling of 201330201131 in words is "two hundred one billion, three hundred thirty million, two hundred one thousand, one hundred thirty-one".

Divisors: 1 11351 17736781 201330201131