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3131303100131 is a prime number
BaseRepresentation
bin101101100100010000001…
…101010111111011100011
3102002100102220012212101202
4231210100031113323203
5402300402043201011
610354300100351415
7442141416123143
oct55442015277343
912070386185352
103131303100131
11aa7a83a70268
12426a4b0a556b
131993856867ab
14ab7ad48c923
15566bbbab23b
hex2d910357ee3

3131303100131 has 2 divisors, whose sum is σ = 3131303100132. Its totient is φ = 3131303100130.

The previous prime is 3131303100077. The next prime is 3131303100139. The reversal of 3131303100131 is 1310013031313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3131303100131 - 218 = 3131302837987 is a prime.

It is a super-2 number, since 2×31313031001312 (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3131303100139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565651550065 + 1565651550066.

It is an arithmetic number, because the mean of its divisors is an integer number (1565651550066).

Almost surely, 23131303100131 is an apocalyptic number.

3131303100131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131303100131 is an equidigital number, since it uses as much as digits as its factorization.

3131303100131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 3131303100131 its reverse (1310013031313), we get a palindrome (4441316131444).

The spelling of 3131303100131 in words is "three trillion, one hundred thirty-one billion, three hundred three million, one hundred thousand, one hundred thirty-one".