Search a number
-
+
121332023131 = 1156919385209
BaseRepresentation
bin111000011111111110…
…0111011111101011011
3102121011211121101201111
41300333330323331123
53441441444220011
6131423354201151
711523502115524
oct1607774737533
9377154541644
10121332023131
1147502844890
121b621a231b7
13b598155137
145c3020184b
153251dbe121
hex1c3ff3bf5b

121332023131 has 8 divisors (see below), whose sum is σ = 132594836400. Its totient is φ = 110107981440.

The previous prime is 121332023101. The next prime is 121332023159. The reversal of 121332023131 is 131320233121.

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 121332023131 - 27 = 121332023003 is a prime.

It is a super-2 number, since 2×1213320231312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121332023101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9686346 + ... + 9698863.

It is an arithmetic number, because the mean of its divisors is an integer number (16574354550).

Almost surely, 2121332023131 is an apocalyptic number.

121332023131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121332023131 is a deficient number, since it is larger than the sum of its proper divisors (11262813269).

121332023131 is a wasteful number, since it uses less digits than its factorization.

121332023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19385789.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121332023131 its reverse (131320233121), we get a palindrome (252652256252).

The spelling of 121332023131 in words is "one hundred twenty-one billion, three hundred thirty-two million, twenty-three thousand, one hundred thirty-one".

Divisors: 1 11 569 6259 19385209 213237299 11030183921 121332023131