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131614330649 is a prime number
BaseRepresentation
bin111101010010011010…
…0110100111100011001
3110120201102120201221212
41322210310310330121
54124021232040044
6140243543512505
712336345231464
oct1724464647431
9416642521855
10131614330649
11508a994969a
1221611458735
13c546487379
146527a502db
153654943a9e
hex1ea4d34f19

131614330649 has 2 divisors, whose sum is σ = 131614330650. Its totient is φ = 131614330648.

The previous prime is 131614330643. The next prime is 131614330691. The reversal of 131614330649 is 946033416131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125533450249 + 6080880400 = 354307^2 + 77980^2 .

It is a cyclic number.

It is not a de Polignac number, because 131614330649 - 224 = 131597553433 is a prime.

It is a super-2 number, since 2×1316143306492 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131614330643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65807165324 + 65807165325.

It is an arithmetic number, because the mean of its divisors is an integer number (65807165325).

Almost surely, 2131614330649 is an apocalyptic number.

It is an amenable number.

131614330649 is a deficient number, since it is larger than the sum of its proper divisors (1).

131614330649 is an equidigital number, since it uses as much as digits as its factorization.

131614330649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 131614330649 in words is "one hundred thirty-one billion, six hundred fourteen million, three hundred thirty thousand, six hundred forty-nine".