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1131214201 = 13432023639
BaseRepresentation
bin100001101101100…
…1111010101111001
32220211120122011021
41003123033111321
54304042323301
6304125502441
740014106405
oct10333172571
92824518137
101131214201
115305a4a77
12276a11a21
1315048c520
14aa346105
156949e8a1
hex436cf579

1131214201 has 8 divisors (see below), whose sum is σ = 1246562240. Its totient is φ = 1019913552.

The previous prime is 1131214199. The next prime is 1131214207. The reversal of 1131214201 is 1024121311.

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 1131214201 - 21 = 1131214199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131214207) 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, 1011261 + ... + 1012378.

It is an arithmetic number, because the mean of its divisors is an integer number (155820280).

Almost surely, 21131214201 is an apocalyptic number.

It is an amenable number.

1131214201 is a deficient number, since it is larger than the sum of its proper divisors (115348039).

1131214201 is a wasteful number, since it uses less digits than its factorization.

1131214201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023695.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1131214201 is about 33633.5279297311. The cubic root of 1131214201 is about 1041.9533680746.

Adding to 1131214201 its reverse (1024121311), we get a palindrome (2155335512).

The spelling of 1131214201 in words is "one billion, one hundred thirty-one million, two hundred fourteen thousand, two hundred one".

Divisors: 1 13 43 559 2023639 26307307 87016477 1131214201