Search a number
-
+
232121203210131 = 32911668722865099
BaseRepresentation
bin110100110001110011101101…
…110111001011011110010011
31010102212120101202101200112020
4310301303231313023132103
5220411033211010211011
62141403001511102523
766615126542552544
oct6461635567133623
91112776352350466
10232121203210131
1167a6305a908944
122204a789371a43
139c69c214c61c1
144146a248d04cb
151bc801276d006
hexd31ceddcb793

232121203210131 has 16 divisors (see below), whose sum is σ = 320169934656000. Its totient is φ = 149410062212768.

The previous prime is 232121203210097. The next prime is 232121203210133. The reversal of 232121203210131 is 131012302121232.

It is a cyclic number.

It is not a de Polignac number, because 232121203210131 - 225 = 232121169655699 is a prime.

It is a super-2 number, since 2×2321212032101312 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232121203210133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280781 + ... + 21584318.

It is an arithmetic number, because the mean of its divisors is an integer number (20010620916000).

Almost surely, 2232121203210131 is an apocalyptic number.

232121203210131 is a deficient number, since it is larger than the sum of its proper divisors (88048731445869).

232121203210131 is a wasteful number, since it uses less digits than its factorization.

232121203210131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22981818.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 232121203210131 its reverse (131012302121232), we get a palindrome (363133505331363).

The spelling of 232121203210131 in words is "two hundred thirty-two trillion, one hundred twenty-one billion, two hundred three million, two hundred ten thousand, one hundred thirty-one".

Divisors: 1 3 29 87 116687 350061 3383923 10151769 22865099 68595297 663087871 1989263613 2668059807013 8004179421039 77373734403377 232121203210131