Search a number
-
+
31401204420441 = 329360933384143
BaseRepresentation
bin1110010001111001010011…
…01000101000111101011001
311010011220222221000110012110
413020330221220220331121
513103434131312423231
6150441303020502533
76420443055425142
oct710745150507531
9133156887013173
1031401204420441
11a0071a32a4239
12363191b9aaa49
13146a17572762b
147a7b7d916ac9
15396c3da49046
hex1c8f29a28f59

31401204420441 has 8 divisors (see below), whose sum is σ = 43312006097280. Its totient is φ = 20212269511952.

The previous prime is 31401204420293. The next prime is 31401204420463. The reversal of 31401204420441 is 14402440210413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31401204420441 - 217 = 31401204289369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31401204420399 and 31401204420408.

It is not an unprimeable number, because it can be changed into a prime (31401204020441) 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 in 7 ways as a sum of consecutive naturals, for example, 180466691985 + ... + 180466692158.

It is an arithmetic number, because the mean of its divisors is an integer number (5414000762160).

Almost surely, 231401204420441 is an apocalyptic number.

It is an amenable number.

31401204420441 is a deficient number, since it is larger than the sum of its proper divisors (11910801676839).

31401204420441 is a wasteful number, since it uses less digits than its factorization.

31401204420441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360933384175.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 31401204420441 its reverse (14402440210413), we get a palindrome (45803644630854).

The spelling of 31401204420441 in words is "thirty-one trillion, four hundred one billion, two hundred four million, four hundred twenty thousand, four hundred forty-one".

Divisors: 1 3 29 87 360933384143 1082800152429 10467068140147 31401204420441