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1311030103121 = 16321138119097
BaseRepresentation
bin10011000100111111011…
…110111100110001010001
311122022222221102202011222
4103010333132330301101
5132434442201244441
62442140125014425
7163501356002414
oct23047736746121
94568887382158
101311030103121
114660063509a2
121921053b4415
139682533198b
1447650453b7b
152418245dd4b
hex1313f7bcc51

1311030103121 has 8 divisors (see below), whose sum is σ = 1325324799264. Its totient is φ = 1296811645920.

The previous prime is 1311030102997. The next prime is 1311030103133. The reversal of 1311030103121 is 1213010301131.

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 1311030103121 - 210 = 1311030102097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311030103121.

It is not an unprimeable number, because it can be changed into a prime (1311030403121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19025156 + ... + 19093941.

It is an arithmetic number, because the mean of its divisors is an integer number (165665599908).

Almost surely, 21311030103121 is an apocalyptic number.

It is an amenable number.

1311030103121 is a deficient number, since it is larger than the sum of its proper divisors (14294696143).

1311030103121 is a wasteful number, since it uses less digits than its factorization.

1311030103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38119471.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1311030103121 its reverse (1213010301131), we get a palindrome (2524040404252).

The spelling of 1311030103121 in words is "one trillion, three hundred eleven billion, thirty million, one hundred three thousand, one hundred twenty-one".

Divisors: 1 163 211 34393 38119097 6213412811 8043129467 1311030103121