Search a number
-
+
331012110133 = 192916931053
BaseRepresentation
bin1001101000100011101…
…10111111011100110101
31011122101210200110012201
410310101312333130311
520410403100011013
6412022002144501
732625534340525
oct4642166773465
91148353613181
10331012110133
11118421785691
125419b352131
13252a2ab1033
1412041b6b685
1589250ac3dd
hex4d11dbf735

331012110133 has 6 divisors (see below), whose sum is σ = 349350731574. Its totient is φ = 313590419784.

The previous prime is 331012110113. The next prime is 331012110293. The reversal of 331012110133 is 331011210133.

It can be written as a sum of positive squares in only one way, i.e., 172144499409 + 158867610724 = 414903^2 + 398582^2 .

It is not a de Polignac number, because 331012110133 - 25 = 331012110101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 331012110133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331012110113) 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 5 ways as a sum of consecutive naturals, for example, 458465166 + ... + 458465887.

It is an arithmetic number, because the mean of its divisors is an integer number (58225121929).

Almost surely, 2331012110133 is an apocalyptic number.

It is an amenable number.

331012110133 is a deficient number, since it is larger than the sum of its proper divisors (18338621441).

331012110133 is an equidigital number, since it uses as much as digits as its factorization.

331012110133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916931091 (or 916931072 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 331012110133 its reverse (331011210133), we get a palindrome (662023320266).

The spelling of 331012110133 in words is "three hundred thirty-one billion, twelve million, one hundred ten thousand, one hundred thirty-three".

Divisors: 1 19 361 916931053 17421690007 331012110133