Search a number
-
+
331133030443441 = 2489197133028053
BaseRepresentation
bin100101101001010011110101…
…0101001110010100110110001
31121102110000020020022111100001
41023102213222221302212301
5321400240421243142231
63132132225242030001
7126514400120061622
oct11322475251624661
91542400206274301
10331133030443441
1196566803079606
123117b971aa8301
131129c931797705
145baacd1d83a49
1528437e3cbbb61
hex12d29eaa729b1

331133030443441 has 4 divisors (see below), whose sum is σ = 331133165960692. Its totient is φ = 331132894926192.

The previous prime is 331133030443417. The next prime is 331133030443447. The reversal of 331133030443441 is 144344030331133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211326433259041 + 119806597184400 = 14537071^2 + 10945620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-331133030443441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331133030443441.

It is not an unprimeable number, because it can be changed into a prime (331133030443447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64024830 + ... + 69003223.

It is an arithmetic number, because the mean of its divisors is an integer number (82783291490173).

Almost surely, 2331133030443441 is an apocalyptic number.

It is an amenable number.

331133030443441 is a deficient number, since it is larger than the sum of its proper divisors (135517251).

331133030443441 is a wasteful number, since it uses less digits than its factorization.

331133030443441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135517250.

The product of its (nonzero) digits is 186624, while the sum is 37.

Adding to 331133030443441 its reverse (144344030331133), we get a palindrome (475477060774574).

The spelling of 331133030443441 in words is "three hundred thirty-one trillion, one hundred thirty-three billion, thirty million, four hundred forty-three thousand, four hundred forty-one".

Divisors: 1 2489197 133028053 331133030443441