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131040324131 = 235697405397
BaseRepresentation
bin111101000001010011…
…1001010101000100011
3110112020102111012001012
41322002213022220203
54121332310333011
6140111000531135
712316205243213
oct1720247125043
9415212435035
10131040324131
1150634935042
1221491180aab
13c48458cc42
1464b1712243
15361e35ca8b
hex1e829caa23

131040324131 has 4 divisors (see below), whose sum is σ = 136737729552. Its totient is φ = 125342918712.

The previous prime is 131040324127. The next prime is 131040324139. The reversal of 131040324131 is 131423040131.

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 131040324131 - 22 = 131040324127 is a prime.

It is a super-2 number, since 2×1310403241312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 5697405397 = 131040324131 / (1 + 3 + 1 + 0 + 4 + 0 + 3 + 2 + 4 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131040324097 and 131040324106.

It is not an unprimeable number, because it can be changed into a prime (131040324139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2848702676 + ... + 2848702721.

It is an arithmetic number, because the mean of its divisors is an integer number (34184432388).

Almost surely, 2131040324131 is an apocalyptic number.

131040324131 is a deficient number, since it is larger than the sum of its proper divisors (5697405421).

131040324131 is an equidigital number, since it uses as much as digits as its factorization.

131040324131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5697405420.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131040324131 its reverse (131423040131), we get a palindrome (262463364262).

The spelling of 131040324131 in words is "one hundred thirty-one billion, forty million, three hundred twenty-four thousand, one hundred thirty-one".

Divisors: 1 23 5697405397 131040324131