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2321031949 is a prime number
BaseRepresentation
bin1000101001011000…
…0010001100001101
312222202102122021021
42022112002030031
514223141010244
61022151434141
7111342305665
oct21226021415
95882378237
102321031949
11a91186725
12549385951
132acb2a1b2
141803851a5
15d8b78284
hex8a58230d

2321031949 has 2 divisors, whose sum is σ = 2321031950. Its totient is φ = 2321031948.

The previous prime is 2321031919. The next prime is 2321031967. The reversal of 2321031949 is 9491301232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2270522500 + 50509449 = 47650^2 + 7107^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321031949 - 223 = 2312643341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321031919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160515974 + 1160515975.

It is an arithmetic number, because the mean of its divisors is an integer number (1160515975).

Almost surely, 22321031949 is an apocalyptic number.

It is an amenable number.

2321031949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321031949 is an equidigital number, since it uses as much as digits as its factorization.

2321031949 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 34.

The square root of 2321031949 is about 48177.0894616933. The cubic root of 2321031949 is about 1324.0174415378.

The spelling of 2321031949 in words is "two billion, three hundred twenty-one million, thirty-one thousand, nine hundred forty-nine".