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331130313149 is a prime number
BaseRepresentation
bin1001101000110001110…
…01111001100110111101
31011122201001002210021012
410310120321321212331
520411123330010044
6412041423445005
732631501135656
oct4643071714675
91148631083235
10331130313149
1111848247a329
1254212a56765
13252c142904c
141205373a52d
15893065a59e
hex4d18e799bd

331130313149 has 2 divisors, whose sum is σ = 331130313150. Its totient is φ = 331130313148.

The previous prime is 331130313133. The next prime is 331130313181. The reversal of 331130313149 is 941313031133.

It is an a-pointer prime, because the next prime (331130313181) can be obtained adding 331130313149 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327544459225 + 3585853924 = 572315^2 + 59882^2 .

It is a cyclic number.

It is not a de Polignac number, because 331130313149 - 24 = 331130313133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331130313049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165565156574 + 165565156575.

It is an arithmetic number, because the mean of its divisors is an integer number (165565156575).

Almost surely, 2331130313149 is an apocalyptic number.

It is an amenable number.

331130313149 is a deficient number, since it is larger than the sum of its proper divisors (1).

331130313149 is an equidigital number, since it uses as much as digits as its factorization.

331130313149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The spelling of 331130313149 in words is "three hundred thirty-one billion, one hundred thirty million, three hundred thirteen thousand, one hundred forty-nine".