Search a number
-
+
1317031261453 is a prime number
BaseRepresentation
bin10011001010100101001…
…011100011010100001101
311122220111011200011210101
4103022211023203110031
5133034240000331303
62445011422411101
7164103156004015
oct23124513432415
94586434604711
101317031261453
114686058a2a86
121932bb130a91
1397270714a3b
1447a5d484c45
15243d4224d1d
hex132a52e350d

1317031261453 has 2 divisors, whose sum is σ = 1317031261454. Its totient is φ = 1317031261452.

The previous prime is 1317031261439. The next prime is 1317031261477. The reversal of 1317031261453 is 3541621307131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1272966114564 + 44065146889 = 1128258^2 + 209917^2 .

It is a cyclic number.

It is not a de Polignac number, because 1317031261453 - 225 = 1316997707021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317031261153) 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, 658515630726 + 658515630727.

It is an arithmetic number, because the mean of its divisors is an integer number (658515630727).

Almost surely, 21317031261453 is an apocalyptic number.

It is an amenable number.

1317031261453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317031261453 is an equidigital number, since it uses as much as digits as its factorization.

1317031261453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

Adding to 1317031261453 its reverse (3541621307131), we get a palindrome (4858652568584).

The spelling of 1317031261453 in words is "one trillion, three hundred seventeen billion, thirty-one million, two hundred sixty-one thousand, four hundred fifty-three".