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214033131 = 3313609781
BaseRepresentation
bin11001100000111…
…10001011101011
3112220202000021000
430300132023223
5414243030011
633123250043
75206152204
oct1460361353
9486660230
10214033131
11aa8a8294
125b819923
133545b830
14205d65ab
1513bcc356
hexcc1e2eb

214033131 has 16 divisors (see below), whose sum is σ = 341477920. Its totient is φ = 131712480.

The previous prime is 214033129. The next prime is 214033139. The reversal of 214033131 is 131330412.

It is not a de Polignac number, because 214033131 - 21 = 214033129 is a prime.

It is a super-2 number, since 2×2140331312 = 91620362331326322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214033139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304540 + ... + 305241.

It is an arithmetic number, because the mean of its divisors is an integer number (21342370).

Almost surely, 2214033131 is an apocalyptic number.

214033131 is a deficient number, since it is larger than the sum of its proper divisors (127444789).

214033131 is a wasteful number, since it uses less digits than its factorization.

214033131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609803 (or 609797 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 214033131 is about 14629.8711887699. The cubic root of 214033131 is about 598.1732690677.

Adding to 214033131 its reverse (131330412), we get a palindrome (345363543).

The spelling of 214033131 in words is "two hundred fourteen million, thirty-three thousand, one hundred thirty-one".

Divisors: 1 3 9 13 27 39 117 351 609781 1829343 5488029 7927153 16464087 23781459 71344377 214033131