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2230131213 = 321721945127
BaseRepresentation
bin1000010011101101…
…0001101000001101
312202102101101220100
42010323101220031
514031403144323
61005143241313
7106156542162
oct20473215015
95672341810
102230131213
11a4493a652
12522a49239
1329705128b
14172282069
15d0bbe943
hex84ed1a0d

2230131213 has 36 divisors (see below), whose sum is σ = 3602116960. Its totient is φ = 1325621376.

The previous prime is 2230131199. The next prime is 2230131259. The reversal of 2230131213 is 3121310322.

It is not a de Polignac number, because 2230131213 - 28 = 2230130957 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 (2230131263) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26856 + ... + 71982.

Almost surely, 22230131213 is an apocalyptic number.

It is an amenable number.

2230131213 is a deficient number, since it is larger than the sum of its proper divisors (1371985747).

2230131213 is a wasteful number, since it uses less digits than its factorization.

2230131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45186 (or 45166 counting only the distinct ones).

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

The square root of 2230131213 is about 47224.2650869233. The cubic root of 2230131213 is about 1306.5021799910.

Adding to 2230131213 its reverse (3121310322), we get a palindrome (5351441535).

The spelling of 2230131213 in words is "two billion, two hundred thirty million, one hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 3 9 17 19 51 57 153 171 289 323 867 969 2601 2907 5491 16473 45127 49419 135381 406143 767159 857413 2301477 2572239 6904431 7716717 13041703 14576021 39125109 43728063 117375327 131184189 247792357 743377071 2230131213