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1312101320201 = 72327532960297
BaseRepresentation
bin10011000101111111010…
…101010100011000001001
311122102202121010012202122
4103011333111110120021
5132444140414221301
62442434312541025
7163540044126320
oct23057725243011
94572677105678
101312101320201
11466505a97171
121923640b1775
1396966245639
144771281d0b7
15241e650b81b
hex1317f554609

1312101320201 has 16 divisors (see below), whose sum is σ = 1565310852864. Its totient is φ = 1075368966144.

The previous prime is 1312101320197. The next prime is 1312101320269. The reversal of 1312101320201 is 1020231012131.

It is a cyclic number.

It is not a de Polignac number, because 1312101320201 - 22 = 1312101320197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312101320201.

It is not an unprimeable number, because it can be changed into a prime (1312101320291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036916 + ... + 1923381.

It is an arithmetic number, because the mean of its divisors is an integer number (97831928304).

Almost surely, 21312101320201 is an apocalyptic number.

It is an amenable number.

1312101320201 is a deficient number, since it is larger than the sum of its proper divisors (253209532663).

1312101320201 is a wasteful number, since it uses less digits than its factorization.

1312101320201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963080.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1312101320201 its reverse (1020231012131), we get a palindrome (2332332332332).

The spelling of 1312101320201 in words is "one trillion, three hundred twelve billion, one hundred one million, three hundred twenty thousand, two hundred one".

Divisors: 1 7 23 161 2753 19271 63319 443233 2960297 20722079 68086831 476607817 8149697641 57047883487 187443045743 1312101320201