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131130302133 = 343710100711
BaseRepresentation
bin111101000011111111…
…0011001111010110101
3110112110200210112122210
41322013332121322311
54122023324132013
6140123533244033
712321350114565
oct1720776317265
9415420715583
10131130302133
1150680700926
12214b7333619
13c49a104b6c
1464bd654da5
1536271d2cc3
hex1e87f99eb5

131130302133 has 4 divisors (see below), whose sum is σ = 174840402848. Its totient is φ = 87420201420.

The previous prime is 131130302117. The next prime is 131130302141. The reversal of 131130302133 is 331203031131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 131130302133 - 24 = 131130302117 is a prime.

It is a super-2 number, since 2×1311303021332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131130312133) 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, 21855050353 + ... + 21855050358.

It is an arithmetic number, because the mean of its divisors is an integer number (43710100712).

Almost surely, 2131130302133 is an apocalyptic number.

It is an amenable number.

131130302133 is a deficient number, since it is larger than the sum of its proper divisors (43710100715).

131130302133 is an equidigital number, since it uses as much as digits as its factorization.

131130302133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43710100714.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 131130302133 its reverse (331203031131), we get a palindrome (462333333264).

The spelling of 131130302133 in words is "one hundred thirty-one billion, one hundred thirty million, three hundred two thousand, one hundred thirty-three".

Divisors: 1 3 43710100711 131130302133