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232220202131 = 4333231625179
BaseRepresentation
bin1101100001000101100…
…1110001010010010011
3211012101211021112122002
43120101121301102103
512301041332432011
6254402552504215
722530430102241
oct3302131612223
9735354245562
10232220202131
118a536282a25
123900a0ab06b
1318b8a66a038
14b34d345791
156091e5ac3b
hex3611671493

232220202131 has 8 divisors (see below), whose sum is σ = 237692326080. Its totient is φ = 226751335272.

The previous prime is 232220202089. The next prime is 232220202187. The reversal of 232220202131 is 131202022232.

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 a de Polignac number, because none of the positive numbers 2k-232220202131 is a prime.

It is a super-2 number, since 2×2322202021312 (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 (232220202031) 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, 669701 + ... + 955478.

It is an arithmetic number, because the mean of its divisors is an integer number (29711540760).

Almost surely, 2232220202131 is an apocalyptic number.

232220202131 is a deficient number, since it is larger than the sum of its proper divisors (5472123949).

232220202131 is a wasteful number, since it uses less digits than its factorization.

232220202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628545.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 232220202131 its reverse (131202022232), we get a palindrome (363422224363).

The spelling of 232220202131 in words is "two hundred thirty-two billion, two hundred twenty million, two hundred two thousand, one hundred thirty-one".

Divisors: 1 43 3323 142889 1625179 69882697 5400469817 232220202131