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131441213269 is a prime number
BaseRepresentation
bin111101001101010000…
…0011011111101010101
3110120021100211110120001
41322122200123331111
54123142422311034
6140214441211301
712332143610212
oct1723240337525
9416240743501
10131441213269
1150820157a83
1221583490b31
13c519653152
14650ca68b09
153644649a14
hex1e9a81bf55

131441213269 has 2 divisors, whose sum is σ = 131441213270. Its totient is φ = 131441213268.

The previous prime is 131441213237. The next prime is 131441213279. The reversal of 131441213269 is 962312144131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118408251025 + 13032962244 = 344105^2 + 114162^2 .

It is a cyclic number.

It is not a de Polignac number, because 131441213269 - 25 = 131441213237 is a prime.

It is a super-2 number, since 2×1314412132692 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131441213219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65720606634 + 65720606635.

It is an arithmetic number, because the mean of its divisors is an integer number (65720606635).

Almost surely, 2131441213269 is an apocalyptic number.

It is an amenable number.

131441213269 is a deficient number, since it is larger than the sum of its proper divisors (1).

131441213269 is an equidigital number, since it uses as much as digits as its factorization.

131441213269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The spelling of 131441213269 in words is "one hundred thirty-one billion, four hundred forty-one million, two hundred thirteen thousand, two hundred sixty-nine".