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2312911357 is a prime number
BaseRepresentation
bin1000100111011100…
…0011100111111101
312222012011001220121
42021313003213331
514214101130412
61021301414541
7111213264541
oct21167034775
95865131817
102312911357
11a8763a599
1254670a451
132ab245c03
1417d26da21
15d80c2107
hex89dc39fd

2312911357 has 2 divisors, whose sum is σ = 2312911358. Its totient is φ = 2312911356.

The previous prime is 2312911351. The next prime is 2312911369. The reversal of 2312911357 is 7531192132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1331593081 + 981318276 = 36491^2 + 31326^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312911357 - 211 = 2312909309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312911351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156455678 + 1156455679.

It is an arithmetic number, because the mean of its divisors is an integer number (1156455679).

Almost surely, 22312911357 is an apocalyptic number.

It is an amenable number.

2312911357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312911357 is an equidigital number, since it uses as much as digits as its factorization.

2312911357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 34.

The square root of 2312911357 is about 48092.7370504113. The cubic root of 2312911357 is about 1322.4715244315.

The spelling of 2312911357 in words is "two billion, three hundred twelve million, nine hundred eleven thousand, three hundred fifty-seven".