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232121211103331 = 11971178318462671
BaseRepresentation
bin110100110001110011101110…
…010101010010100001100011
31010102212120102022020200221222
4310301303232111102201203
5220411033220020301311
62141403002352205255
766615126666626024
oct6461635625224143
91112776368220858
10232121211103331
1167a6306430a150
122204a78bb3982b
139c69c2302ab34
144146a25986c4b
151bc80132cbadb
hexd31cee552863

232121211103331 has 16 divisors (see below), whose sum is σ = 255855413173248. Its totient is φ = 208826090822400.

The previous prime is 232121211103319. The next prime is 232121211103391. The reversal of 232121211103331 is 133301112121232.

232121211103331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-232121211103331 is a prime.

It is a super-2 number, since 2×2321212111033312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232121211103331.

It is not an unprimeable number, because it can be changed into a prime (232121211103391) 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, 3341126 + ... + 21803796.

It is an arithmetic number, because the mean of its divisors is an integer number (15990963323328).

Almost surely, 2232121211103331 is an apocalyptic number.

232121211103331 is a deficient number, since it is larger than the sum of its proper divisors (23734202069917).

232121211103331 is a wasteful number, since it uses less digits than its factorization.

232121211103331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18474562.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 232121211103331 its reverse (133301112121232), we get a palindrome (365422323224563).

The spelling of 232121211103331 in words is "two hundred thirty-two trillion, one hundred twenty-one billion, two hundred eleven million, one hundred three thousand, three hundred thirty-one".

Divisors: 1 11 97 1067 11783 129613 1142951 12572461 18462671 203089381 1790879087 19699669957 217545652393 2393002176323 21101928282121 232121211103331