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1000013131201 = 7236075658007
BaseRepresentation
bin11101000110101010110…
…11010110110111000001
310112121012122010120002211
432203111123112313001
5112341011330144301
62043222155542121
7132151154236300
oct16432533266701
93477178116084
101000013131201
11356115384627
1214198645a941
13733bac15696
14365880a4437
151b02c9ac051
hexe8d56d6dc1

1000013131201 has 12 divisors (see below), whose sum is σ = 1163603293248. Its totient is φ = 856916324712.

The previous prime is 1000013131189. The next prime is 1000013131217. The reversal of 1000013131201 is 1021313100001.

It is a de Polignac number, because none of the positive numbers 2k-1000013131201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000013131261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2652261 + ... + 3005746.

It is an arithmetic number, because the mean of its divisors is an integer number (96966941104).

Almost surely, 21000013131201 is an apocalyptic number.

It is an amenable number.

1000013131201 is a deficient number, since it is larger than the sum of its proper divisors (163590162047).

1000013131201 is an equidigital number, since it uses as much as digits as its factorization.

1000013131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661628 (or 5661621 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1000013131201 its reverse (1021313100001), we get a palindrome (2021326231202).

The spelling of 1000013131201 in words is "one trillion, thirteen million, one hundred thirty-one thousand, two hundred one".

Divisors: 1 7 49 3607 25249 176743 5658007 39606049 277242343 20408431249 142859018743 1000013131201