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131020313311322 = 2429291526011709
BaseRepresentation
bin11101110010100110001011…
…001110111011100001011010
3122011220102022220111211211122
4131302212023032323201122
5114133114100201430242
61142353522341125242
736411622334564501
oct3562461316734132
9564812286454748
10131020313311322
1138824448198616
12128407459b9822
135815216107266
14244d5ba367838
151023214318ad2
hex77298b3bb85a

131020313311322 has 8 divisors (see below), whose sum is σ = 196535048130900. Its totient is φ = 65508630601024.

The previous prime is 131020313311313. The next prime is 131020313311333. The reversal of 131020313311322 is 223113313020131.

It can be written as a sum of positive squares in 2 ways, for example, as 112191925700761 + 18828387610561 = 10592069^2 + 4339169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 131020313311291 and 131020313311300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762919997 + ... + 763091712.

Almost surely, 2131020313311322 is an apocalyptic number.

131020313311322 is a deficient number, since it is larger than the sum of its proper divisors (65514734819578).

131020313311322 is a wasteful number, since it uses less digits than its factorization.

131020313311322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526054640.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 131020313311322 its reverse (223113313020131), we get a palindrome (354133626331453).

The spelling of 131020313311322 in words is "one hundred thirty-one trillion, twenty billion, three hundred thirteen million, three hundred eleven thousand, three hundred twenty-two".

Divisors: 1 2 42929 85858 1526011709 3052023418 65510156655661 131020313311322