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231514045014481 is a prime number
BaseRepresentation
bin110100101000111110010000…
…011010011110000111010001
31010100201112012212010121121121
4310220332100122132013101
5220321111231010430411
62140220030051522241
766523223600212465
oct6450762032360721
91110645185117547
10231514045014481
1167849611940a79
1221b70b812b9381
139c248b0854688
1441254a7ab04a5
151bb7329288571
hexd28f9069e1d1

231514045014481 has 2 divisors, whose sum is σ = 231514045014482. Its totient is φ = 231514045014480.

The previous prime is 231514045014479. The next prime is 231514045014529. The reversal of 231514045014481 is 184410540415132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219112970076225 + 12401074938256 = 14802465^2 + 3521516^2 .

It is a cyclic number.

It is not a de Polignac number, because 231514045014481 - 21 = 231514045014479 is a prime.

It is a super-2 number, since 2×2315140450144812 (a number of 30 digits) contains 22 as substring.

Together with 231514045014479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (231514045014281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115757022507240 + 115757022507241.

It is an arithmetic number, because the mean of its divisors is an integer number (115757022507241).

Almost surely, 2231514045014481 is an apocalyptic number.

It is an amenable number.

231514045014481 is a deficient number, since it is larger than the sum of its proper divisors (1).

231514045014481 is an equidigital number, since it uses as much as digits as its factorization.

231514045014481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 231514045014481 in words is "two hundred thirty-one trillion, five hundred fourteen billion, forty-five million, fourteen thousand, four hundred eighty-one".