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31401204420463 is a prime number
BaseRepresentation
bin1110010001111001010011…
…01000101000111101101111
311010011220222221000110020021
413020330221220220331233
513103434131312423323
6150441303020503011
76420443055425203
oct710745150507557
9133156887013207
1031401204420463
11a0071a32a4259
12363191b9aaa67
13146a175727647
147a7b7d916b03
15396c3da4905d
hex1c8f29a28f6f

31401204420463 has 2 divisors, whose sum is σ = 31401204420464. Its totient is φ = 31401204420462.

The previous prime is 31401204420293. The next prime is 31401204420529. The reversal of 31401204420463 is 36402440210413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31401204420463 - 29 = 31401204419951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31401204420163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15700602210231 + 15700602210232.

It is an arithmetic number, because the mean of its divisors is an integer number (15700602210232).

Almost surely, 231401204420463 is an apocalyptic number.

31401204420463 is a deficient number, since it is larger than the sum of its proper divisors (1).

31401204420463 is an equidigital number, since it uses as much as digits as its factorization.

31401204420463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 31401204420463 its reverse (36402440210413), we get a palindrome (67803644630876).

The spelling of 31401204420463 in words is "thirty-one trillion, four hundred one billion, two hundred four million, four hundred twenty thousand, four hundred sixty-three".