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31454230414349 is a prime number
BaseRepresentation
bin1110010011011100000100…
…01110110000010000001101
311010100222212101210001002202
413021232002032300100031
513110321230441224344
6150521512435531245
76424331103065441
oct711560216602015
9133328771701082
1031454230414349
11a0277340712a6
12364005a159b25
1314721763802a2
147aa570098821
153982e3db994e
hex1c9b823b040d

31454230414349 has 2 divisors, whose sum is σ = 31454230414350. Its totient is φ = 31454230414348.

The previous prime is 31454230414319. The next prime is 31454230414357. The reversal of 31454230414349 is 94341403245413.

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., 21409406620900 + 10044823793449 = 4627030^2 + 3169357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31454230414349 is a prime.

It is a super-2 number, since 2×314542304143492 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31454230414319) 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, 15727115207174 + 15727115207175.

It is an arithmetic number, because the mean of its divisors is an integer number (15727115207175).

Almost surely, 231454230414349 is an apocalyptic number.

It is an amenable number.

31454230414349 is a deficient number, since it is larger than the sum of its proper divisors (1).

31454230414349 is an equidigital number, since it uses as much as digits as its factorization.

31454230414349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 31454230414349 in words is "thirty-one trillion, four hundred fifty-four billion, two hundred thirty million, four hundred fourteen thousand, three hundred forty-nine".