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243130132039 is a prime number
BaseRepresentation
bin1110001001101110101…
…1110110011001000111
3212020120011020101221011
43202123223312121013
512440412303211124
6303405322303051
723364664011124
oct3423353663107
9766504211834
10243130132039
1194124691823
123b153957a87
1319c08a19872
14baa628b74b
1564ceb57994
hex389baf6647

243130132039 has 2 divisors, whose sum is σ = 243130132040. Its totient is φ = 243130132038.

The previous prime is 243130131997. The next prime is 243130132151. The reversal of 243130132039 is 930231031342.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-243130132039 is a prime.

It is a super-2 number, since 2×2431301320392 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243130132039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243130132339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121565066019 + 121565066020.

It is an arithmetic number, because the mean of its divisors is an integer number (121565066020).

Almost surely, 2243130132039 is an apocalyptic number.

243130132039 is a deficient number, since it is larger than the sum of its proper divisors (1).

243130132039 is an equidigital number, since it uses as much as digits as its factorization.

243130132039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 243130132039 in words is "two hundred forty-three billion, one hundred thirty million, one hundred thirty-two thousand, thirty-nine".