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1000013313131 = 7612341951553
BaseRepresentation
bin11101000110101010111…
…00000011010001101011
310112121012122110210122222
432203111130003101223
5112341011402010011
62043222203504255
7132151155624560
oct16432534032153
93477178423588
101000013313131
11356115499288
1214198652808b
13733bac7a431
1436588110867
151b02c9e5ddb
hexe8d570346b

1000013313131 has 8 divisors (see below), whose sum is σ = 1161607970784. Its totient is φ = 843102558720.

The previous prime is 1000013313109. The next prime is 1000013313181. The reversal of 1000013313131 is 1313133100001.

1000013313131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1000013313131 - 218 = 1000013050987 is a prime.

It is a super-2 number, since 2×10000133131312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000013313181) 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, 1170975350 + ... + 1170976203.

It is an arithmetic number, because the mean of its divisors is an integer number (145200996348).

Almost surely, 21000013313131 is an apocalyptic number.

1000013313131 is a deficient number, since it is larger than the sum of its proper divisors (161594657653).

1000013313131 is an equidigital number, since it uses as much as digits as its factorization.

1000013313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341951621.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 1000013313131 its reverse (1313133100001), we get a palindrome (2313146413132).

The spelling of 1000013313131 in words is "one trillion, thirteen million, three hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 7 61 427 2341951553 16393660871 142859044733 1000013313131