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31404100411 is a prime number
BaseRepresentation
bin11101001111110101…
…001000101100111011
310000001121100121001001
4131033311020230323
51003303422203121
622232110505431
72161136310025
oct351765105473
9100047317031
1031404100411
11123558834a2
126105205277
132c6624b048
14173cb07015
15c3c02d991
hex74fd48b3b

31404100411 has 2 divisors, whose sum is σ = 31404100412. Its totient is φ = 31404100410.

The previous prime is 31404100393. The next prime is 31404100447. The reversal of 31404100411 is 11400140413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31404100411 - 25 = 31404100379 is a prime.

It is not a weakly prime, because it can be changed into another prime (31404107411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15702050205 + 15702050206.

It is an arithmetic number, because the mean of its divisors is an integer number (15702050206).

Almost surely, 231404100411 is an apocalyptic number.

31404100411 is a deficient number, since it is larger than the sum of its proper divisors (1).

31404100411 is an equidigital number, since it uses as much as digits as its factorization.

31404100411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 31404100411 its reverse (11400140413), we get a palindrome (42804240824).

The spelling of 31404100411 in words is "thirty-one billion, four hundred four million, one hundred thousand, four hundred eleven".