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2103520232131 = 17235379847141
BaseRepresentation
bin11110100111000011100…
…100111000001011000011
321110002112221102111212121
4132213003210320023003
5233431002134412011
64250202134505111
7304655122650013
oct36470344701303
97402487374777
102103520232131
1174110937243a
1229b814805197
131234904753b6
1473b4d257c43
1539ab62bde71
hex1e9c39382c3

2103520232131 has 8 divisors (see below), whose sum is σ = 2324093965344. Its totient is φ = 1893706193280.

The previous prime is 2103520232113. The next prime is 2103520232147. The reversal of 2103520232131 is 1312320253012.

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 2103520232131 - 29 = 2103520231619 is a prime.

It is a super-2 number, since 2×21035202321312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103520232096 and 2103520232105.

It is not an unprimeable number, because it can be changed into a prime (2103520232161) 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, 2689923180 + ... + 2689923961.

It is an arithmetic number, because the mean of its divisors is an integer number (290511745668).

Almost surely, 22103520232131 is an apocalyptic number.

2103520232131 is a deficient number, since it is larger than the sum of its proper divisors (220573733213).

2103520232131 is a wasteful number, since it uses less digits than its factorization.

2103520232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379847181.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 2103520232131 its reverse (1312320253012), we get a palindrome (3415840485143).

The spelling of 2103520232131 in words is "two trillion, one hundred three billion, five hundred twenty million, two hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 17 23 391 5379847141 91457401397 123736484243 2103520232131