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121013322131 = 1319747252371
BaseRepresentation
bin111000010110011110…
…1001100000110010011
3102120100121220201010202
41300230331030012103
53440313402302011
6131332011245415
711512552160222
oct1605475140623
9376317821122
10121013322131
1147359958029
121b55314986b
13b54710a270
145bddb60cb9
153233e1923b
hex1c2cf4c193

121013322131 has 8 divisors (see below), whose sum is σ = 130983575184. Its totient is φ = 111137574240.

The previous prime is 121013322091. The next prime is 121013322149. The reversal of 121013322131 is 131223310121.

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 not a de Polignac number, because 121013322131 - 230 = 119939580307 is a prime.

It is a super-2 number, since 2×1210133221312 (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 (121013322181) 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, 23623625 + ... + 23628746.

It is an arithmetic number, because the mean of its divisors is an integer number (16372946898).

Almost surely, 2121013322131 is an apocalyptic number.

121013322131 is a deficient number, since it is larger than the sum of its proper divisors (9970253053).

121013322131 is a wasteful number, since it uses less digits than its factorization.

121013322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47252581.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121013322131 its reverse (131223310121), we get a palindrome (252236632252).

The spelling of 121013322131 in words is "one hundred twenty-one billion, thirteen million, three hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 13 197 2561 47252371 614280823 9308717087 121013322131