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1310222143121 = 7635831715887
BaseRepresentation
bin10011000100001111010…
…100110100111010010001
311122020220122010010102112
4103010033110310322101
5132431313332034441
62441524023355105
7163442345314043
oct23041724647221
94566818103375
101310222143121
11465731273661
12191b1a8b2a95
1396726b22938
14475b5015a93
15241365634eb
hex1310f534e91

1310222143121 has 4 divisors (see below), whose sum is σ = 1310224622592. Its totient is φ = 1310219663652.

The previous prime is 1310222143103. The next prime is 1310222143169. The reversal of 1310222143121 is 1213412220131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1310222143121 - 214 = 1310222126737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310222143621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94361 + ... + 1621526.

It is an arithmetic number, because the mean of its divisors is an integer number (327556155648).

Almost surely, 21310222143121 is an apocalyptic number.

It is an amenable number.

1310222143121 is a deficient number, since it is larger than the sum of its proper divisors (2479471).

1310222143121 is an equidigital number, since it uses as much as digits as its factorization.

1310222143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479470.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1310222143121 its reverse (1213412220131), we get a palindrome (2523634363252).

The spelling of 1310222143121 in words is "one trillion, three hundred ten billion, two hundred twenty-two million, one hundred forty-three thousand, one hundred twenty-one".

Divisors: 1 763583 1715887 1310222143121