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1232131297 is a prime number
BaseRepresentation
bin100100101110000…
…1101010011100001
310011212110202101111
41021130031103201
510010411200142
6322132503321
742350641345
oct11134152341
93155422344
101232131297
11582562531
122a477ab41
13168364597
14b98d5625
1573285e17
hex4970d4e1

1232131297 has 2 divisors, whose sum is σ = 1232131298. Its totient is φ = 1232131296.

The previous prime is 1232131211. The next prime is 1232131309. The reversal of 1232131297 is 7921312321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081357456 + 150773841 = 32884^2 + 12279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232131297 - 27 = 1232131169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232431297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616065648 + 616065649.

It is an arithmetic number, because the mean of its divisors is an integer number (616065649).

Almost surely, 21232131297 is an apocalyptic number.

It is an amenable number.

1232131297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232131297 is an equidigital number, since it uses as much as digits as its factorization.

1232131297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 1232131297 is about 35101.7278349656. The cubic root of 1232131297 is about 1072.0597634244.

The spelling of 1232131297 in words is "one billion, two hundred thirty-two million, one hundred thirty-one thousand, two hundred ninety-seven".