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316743231797 is a prime number
BaseRepresentation
bin1001001101111110101…
…11100010100100110101
31010021120101021022220022
410212333113202210311
520142142231404142
6401302042414525
731612123022246
oct4467727424465
91107511238808
10316743231797
1111236a32a153
1251478801445
1323b3a87ca65
141148aaa2ccd
15838c5666d2
hex49bf5e2935

316743231797 has 2 divisors, whose sum is σ = 316743231798. Its totient is φ = 316743231796.

The previous prime is 316743231773. The next prime is 316743231799. The reversal of 316743231797 is 797132347613.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297636804721 + 19106427076 = 545561^2 + 138226^2 .

It is a cyclic number.

It is not a de Polignac number, because 316743231797 - 214 = 316743215413 is a prime.

It is a super-3 number, since 3×3167432317973 (a number of 35 digits) contains 333 as substring.

Together with 316743231799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316743231799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158371615898 + 158371615899.

It is an arithmetic number, because the mean of its divisors is an integer number (158371615899).

Almost surely, 2316743231797 is an apocalyptic number.

It is an amenable number.

316743231797 is a deficient number, since it is larger than the sum of its proper divisors (1).

316743231797 is an equidigital number, since it uses as much as digits as its factorization.

316743231797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 53.

The spelling of 316743231797 in words is "three hundred sixteen billion, seven hundred forty-three million, two hundred thirty-one thousand, seven hundred ninety-seven".