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131113349 is a prime number
BaseRepresentation
bin1111101000010…
…10000110000101
3100010201020200222
413310022012011
5232031111344
621002114125
73151305443
oct764120605
9303636628
10131113349
1168012444
1237aab945
1321218483
14135adb93
15b79d5ee
hex7d0a185

131113349 has 2 divisors, whose sum is σ = 131113350. Its totient is φ = 131113348.

The previous prime is 131113303. The next prime is 131113387. The reversal of 131113349 is 943311131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125037124 + 6076225 = 11182^2 + 2465^2 .

It is a cyclic number.

It is not a de Polignac number, because 131113349 - 28 = 131113093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131133349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65556674 + 65556675.

It is an arithmetic number, because the mean of its divisors is an integer number (65556675).

Almost surely, 2131113349 is an apocalyptic number.

It is an amenable number.

131113349 is a deficient number, since it is larger than the sum of its proper divisors (1).

131113349 is an equidigital number, since it uses as much as digits as its factorization.

131113349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 26.

The square root of 131113349 is about 11450.4737456579. The cubic root of 131113349 is about 508.0217469042.

The spelling of 131113349 in words is "one hundred thirty-one million, one hundred thirteen thousand, three hundred forty-nine".