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131828131 is a prime number
BaseRepresentation
bin1111101101110…
…00100110100011
3100012001120012101
413312320212203
5232222000011
621025311231
73160343401
oct766704643
9305046171
10131828131
1168460476
1238195517
1321408916
1413718471
15b8902c1
hex7db89a3

131828131 has 2 divisors, whose sum is σ = 131828132. Its totient is φ = 131828130.

The previous prime is 131828117. The next prime is 131828219.

131828131 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131828131 is a prime.

It is a super-2 number, since 2×1318281312 = 34757312245906322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131828131.

It is not a weakly prime, because it can be changed into another prime (131828231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65914065 + 65914066.

It is an arithmetic number, because the mean of its divisors is an integer number (65914066).

Almost surely, 2131828131 is an apocalyptic number.

131828131 is a deficient number, since it is larger than the sum of its proper divisors (1).

131828131 is an equidigital number, since it uses as much as digits as its factorization.

131828131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 28.

The square root of 131828131 is about 11481.6432186338. The cubic root of 131828131 is about 508.9432572357.

The spelling of 131828131 in words is "one hundred thirty-one million, eight hundred twenty-eight thousand, one hundred thirty-one".