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102020201031313 = 295366376188049
BaseRepresentation
bin10111001100100101101101…
…110101111010011010010001
3111101020000222012222002121201
4113030211231311322122101
5101332444332431000223
61000551233333551201
730326500454445325
oct2714455565723221
9441200865862551
10102020201031313
112a563584903864
12b538246aa5501
1344c0604910786
141b29b38557985
15bbdba5ec7ead
hex5cc96dd7a691

102020201031313 has 8 divisors (see below), whose sum is σ = 107529424641000. Its totient is φ = 96643729797888.

The previous prime is 102020201031247. The next prime is 102020201031323. The reversal of 102020201031313 is 313130102020201.

It can be written as a sum of positive squares in 4 ways, for example, as 4353766018624 + 97666435012689 = 2086568^2 + 9882633^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102020201031313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020201031323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33188092488 + ... + 33188095561.

It is an arithmetic number, because the mean of its divisors is an integer number (13441178080125).

Almost surely, 2102020201031313 is an apocalyptic number.

It is an amenable number.

102020201031313 is a deficient number, since it is larger than the sum of its proper divisors (5509223609687).

102020201031313 is an equidigital number, since it uses as much as digits as its factorization.

102020201031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66376188131.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102020201031313 its reverse (313130102020201), we get a palindrome (415150303051514).

The spelling of 102020201031313 in words is "one hundred two trillion, twenty billion, two hundred one million, thirty-one thousand, three hundred thirteen".

Divisors: 1 29 53 1537 66376188049 1924909453421 3517937966597 102020201031313