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130344242381 is a prime number
BaseRepresentation
bin111100101100100011…
…1110100110011001101
3110110102220200120101122
41321121013310303031
54113421111224011
6135513533250325
712263023531313
oct1713107646315
9413386616348
10130344242381
1150307a21571
12213180339a5
13c3a32c3152
1464470b80b3
1535cd1b13db
hex1e591f4ccd

130344242381 has 2 divisors, whose sum is σ = 130344242382. Its totient is φ = 130344242380.

The previous prime is 130344242291. The next prime is 130344242389. The reversal of 130344242381 is 183242443031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107299484356 + 23044758025 = 327566^2 + 151805^2 .

It is an emirp because it is prime and its reverse (183242443031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130344242381 - 218 = 130343980237 is a prime.

It is a super-2 number, since 2×1303442423812 (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 (130344242389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65172121190 + 65172121191.

It is an arithmetic number, because the mean of its divisors is an integer number (65172121191).

Almost surely, 2130344242381 is an apocalyptic number.

It is an amenable number.

130344242381 is a deficient number, since it is larger than the sum of its proper divisors (1).

130344242381 is an equidigital number, since it uses as much as digits as its factorization.

130344242381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 130344242381 in words is "one hundred thirty billion, three hundred forty-four million, two hundred forty-two thousand, three hundred eighty-one".