Search a number
-
+
311041201302 = 232137318208711
BaseRepresentation
bin1001000011010111000…
…00000001010010010110
31002201211222220011112200
410201223200001102112
520044003021420202
6354520152225330
731320614405526
oct4415340012226
91081758804480
10311041201302
1110aa03716257
125034709b246
132343c450810
14110a9699686
158156b8ae1c
hex486b801496

311041201302 has 48 divisors (see below), whose sum is σ = 735704799648. Its totient is φ = 94393952640.

The previous prime is 311041201249. The next prime is 311041201357. The reversal of 311041201302 is 203102140113.

311041201302 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9087274 + ... + 9121437.

It is an arithmetic number, because the mean of its divisors is an integer number (15327183326).

Almost surely, 2311041201302 is an apocalyptic number.

311041201302 is an abundant number, since it is smaller than the sum of its proper divisors (424663598346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311041201302 is a wasteful number, since it uses less digits than its factorization.

311041201302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18208805 (or 18208802 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 311041201302 its reverse (203102140113), we get a palindrome (514143341415).

The spelling of 311041201302 in words is "three hundred eleven billion, forty-one million, two hundred one thousand, three hundred two".

Divisors: 1 2 3 6 9 13 18 26 39 73 78 117 146 219 234 438 657 949 1314 1898 2847 5694 8541 17082 18208711 36417422 54626133 109252266 163878399 236713243 327756798 473426486 710139729 1329235903 1420279458 2130419187 2658471806 3987707709 4260838374 7975415418 11963123127 17280066739 23926246254 34560133478 51840200217 103680400434 155520600651 311041201302