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23321130131 = 131793933087
BaseRepresentation
bin10101101110000011…
…000011010010010011
32020012021211011022102
4111232003003102103
5340230202131011
614414044431015
71453630223015
oct255603032223
966167734272
1023321130131
119988196272
12462a24846b
1322787778b0
1411b34021b5
159175e473b
hex56e0c3493

23321130131 has 4 divisors (see below), whose sum is σ = 25115063232. Its totient is φ = 21527197032.

The previous prime is 23321130121. The next prime is 23321130137. The reversal of 23321130131 is 13103112332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23321130131 - 26 = 23321130067 is a prime.

It is a super-2 number, since 2×233211301312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23321130137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896966531 + ... + 896966556.

It is an arithmetic number, because the mean of its divisors is an integer number (6278765808).

Almost surely, 223321130131 is an apocalyptic number.

23321130131 is a deficient number, since it is larger than the sum of its proper divisors (1793933101).

23321130131 is a wasteful number, since it uses less digits than its factorization.

23321130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793933100.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23321130131 its reverse (13103112332), we get a palindrome (36424242463).

The spelling of 23321130131 in words is "twenty-three billion, three hundred twenty-one million, one hundred thirty thousand, one hundred thirty-one".

Divisors: 1 13 1793933087 23321130131