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23200130331 = 3273126874421
BaseRepresentation
bin10101100110110101…
…011110010100011011
32012212212010201210100
4111212311132110123
5340003213132311
614354043150443
71450630565640
oct254665362433
965785121710
1023200130331
119925961334
1245b5815423
132259690891
1411a1305dc7
1590bb92a56
hex566d5e51b

23200130331 has 48 divisors (see below), whose sum is σ = 39557726208. Its totient is φ = 12821889600.

The previous prime is 23200130311. The next prime is 23200130419. The reversal of 23200130331 is 13303100232.

23200130331 is a `hidden beast` number, since 2 + 3 + 200 + 130 + 331 = 666.

It is not a de Polignac number, because 23200130331 - 215 = 23200097563 is a prime.

It is a super-2 number, since 2×232001303312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23200130311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5245501 + ... + 5249921.

It is an arithmetic number, because the mean of its divisors is an integer number (824119296).

Almost surely, 223200130331 is an apocalyptic number.

23200130331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23200130331 is a deficient number, since it is larger than the sum of its proper divisors (16357595877).

23200130331 is a wasteful number, since it uses less digits than its factorization.

23200130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7152 (or 7149 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 23200130331 its reverse (13303100232), we get a palindrome (36503230563).

The spelling of 23200130331 in words is "twenty-three billion, two hundred million, one hundred thirty thousand, three hundred thirty-one".

Divisors: 1 3 7 9 21 31 63 93 217 279 651 1953 2687 4421 8061 13263 18809 24183 30947 39789 56427 83297 92841 137051 169281 249891 278523 411153 583079 749673 959357 1233459 1749237 2878071 5247711 8634213 11879227 35637681 83154589 106913043 249463767 368256037 748391301 1104768111 2577792259 3314304333 7733376777 23200130331