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31401200120413 is a prime number
BaseRepresentation
bin1110010001111001010010…
…11000001111001001011101
311010011220222121220222200011
413020330221120033021131
513103434124212323123
6150441302344403221
76420443004035464
oct710745130171135
9133156877828604
1031401200120413
11a0071a09275a2
12363191a476511
13146a174880336
147a7b7d1179db
15396c3d499e0d
hex1c8f2960f25d

31401200120413 has 2 divisors, whose sum is σ = 31401200120414. Its totient is φ = 31401200120412.

The previous prime is 31401200120317. The next prime is 31401200120449. The reversal of 31401200120413 is 31402100210413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31380308886969 + 20891233444 = 5601813^2 + 144538^2 .

It is a cyclic number.

It is not a de Polignac number, because 31401200120413 - 29 = 31401200119901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31401200120513) 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, 15700600060206 + 15700600060207.

It is an arithmetic number, because the mean of its divisors is an integer number (15700600060207).

Almost surely, 231401200120413 is an apocalyptic number.

It is an amenable number.

31401200120413 is a deficient number, since it is larger than the sum of its proper divisors (1).

31401200120413 is an equidigital number, since it uses as much as digits as its factorization.

31401200120413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31401200120413 its reverse (31402100210413), we get a palindrome (62803300330826).

The spelling of 31401200120413 in words is "thirty-one trillion, four hundred one billion, two hundred million, one hundred twenty thousand, four hundred thirteen".