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232231431311 = 1145234667687
BaseRepresentation
bin1101100001001000010…
…0100110110010001111
3211012102121102001011122
43120102010212302033
512301102221300221
6254404033311155
722530624411335
oct3302204466217
9735377361148
10232231431311
118a541652640
1239011a054bb
1318b8ca9c219
14b350a29b55
156092e27eab
hex3612126c8f

232231431311 has 8 divisors (see below), whose sum is σ = 253399446144. Its totient is φ = 211072760920.

The previous prime is 232231431251. The next prime is 232231431317. The reversal of 232231431311 is 113134132232.

It is a happy number.

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 232231431311 - 26 = 232231431247 is a prime.

It is a super-2 number, since 2×2322314313112 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232231431317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2284091 + ... + 2383596.

It is an arithmetic number, because the mean of its divisors is an integer number (31674930768).

Almost surely, 2232231431311 is an apocalyptic number.

232231431311 is a deficient number, since it is larger than the sum of its proper divisors (21168014833).

232231431311 is a wasteful number, since it uses less digits than its factorization.

232231431311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672221.

The product of its digits is 2592, while the sum is 26.

Adding to 232231431311 its reverse (113134132232), we get a palindrome (345365563543).

The spelling of 232231431311 in words is "two hundred thirty-two billion, two hundred thirty-one million, four hundred thirty-one thousand, three hundred eleven".

Divisors: 1 11 4523 49753 4667687 51344557 21111948301 232231431311