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102020201131213 is a prime number
BaseRepresentation
bin10111001100100101101101…
…110110010010110011001101
3111101020000222020011011122201
4113030211231312102303031
5101332444332442144323
61000551233340041501
730326500455342511
oct2714455566226315
9441200866134581
10102020201131213
112a563584971922
12b538246b33291
1344c06049470a1
141b29b38582141
15bbdba5ee78ad
hex5cc96dd92ccd

102020201131213 has 2 divisors, whose sum is σ = 102020201131214. Its totient is φ = 102020201131212.

The previous prime is 102020201131193. The next prime is 102020201131253. The reversal of 102020201131213 is 312131102020201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82180062963684 + 19840138167529 = 9065322^2 + 4454227^2 .

It is an emirp because it is prime and its reverse (312131102020201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102020201131213 - 213 = 102020201123021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102020201131253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010100565606 + 51010100565607.

It is an arithmetic number, because the mean of its divisors is an integer number (51010100565607).

Almost surely, 2102020201131213 is an apocalyptic number.

It is an amenable number.

102020201131213 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020201131213 is an equidigital number, since it uses as much as digits as its factorization.

102020201131213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102020201131213 its reverse (312131102020201), we get a palindrome (414151303151414).

The spelling of 102020201131213 in words is "one hundred two trillion, twenty billion, two hundred one million, one hundred thirty-one thousand, two hundred thirteen".