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310203001113121 = 719343125677897
BaseRepresentation
bin100011010001000001100001…
…1101100001000101000100001
31111200100010011111120212102201
41012202003003230020220201
5311124331221241104441
63015425142535413201
7122224266355131334
oct10642030354105041
91450303144525381
10310203001113121
118a927399175416
122a95b505524201
131041202c56358c
145685c9645c61b
1525ce15a439c31
hex11a20c3b08a21

310203001113121 has 4 divisors (see below), whose sum is σ = 310246126798212. Its totient is φ = 310159875428032.

The previous prime is 310203001113119. The next prime is 310203001113127. The reversal of 310203001113121 is 121311100302013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33632298040896 + 276570703072225 = 5799336^2 + 16630415^2 .

It is a cyclic number.

It is not a de Polignac number, because 310203001113121 - 21 = 310203001113119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (310203001113127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21562831756 + ... + 21562846141.

It is an arithmetic number, because the mean of its divisors is an integer number (77561531699553).

Almost surely, 2310203001113121 is an apocalyptic number.

It is an amenable number.

310203001113121 is a deficient number, since it is larger than the sum of its proper divisors (43125685091).

310203001113121 is an equidigital number, since it uses as much as digits as its factorization.

310203001113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43125685090.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 310203001113121 its reverse (121311100302013), we get a palindrome (431514101415134).

The spelling of 310203001113121 in words is "three hundred ten trillion, two hundred three billion, one million, one hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 7193 43125677897 310203001113121