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232001223131 = 717344761957
BaseRepresentation
bin1101100000010001011…
…0011011100111011011
3211011211120020020220202
43120010112123213123
512300114303120011
6254325131212415
722522130600426
oct3300426334733
9734746206822
10232001223131
118a433707847
1238b688a710b
1318b54199272
14b32c2229bd
15607cb0323b
hex360459b9db

232001223131 has 8 divisors (see below), whose sum is σ = 238491712224. Its totient is φ = 225600258240.

The previous prime is 232001223119. The next prime is 232001223151. The reversal of 232001223131 is 131322100232.

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 232001223131 - 222 = 231997028827 is a prime.

It is a super-2 number, since 2×2320012231312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232001223101) 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, 22375796 + ... + 22386161.

It is an arithmetic number, because the mean of its divisors is an integer number (29811464028).

Almost surely, 2232001223131 is an apocalyptic number.

232001223131 is a deficient number, since it is larger than the sum of its proper divisors (6490489093).

232001223131 is an equidigital number, since it uses as much as digits as its factorization.

232001223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44762101.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 232001223131 its reverse (131322100232), we get a palindrome (363323323363).

The spelling of 232001223131 in words is "two hundred thirty-two billion, one million, two hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 71 73 5183 44761957 3178098947 3267622861 232001223131