Search a number
-
+
311031040102 = 2565912748061
BaseRepresentation
bin1001000011010101110…
…01010000100001100110
31002201211021202220222221
410201222321100201212
520043442421240402
6354515150342554
731320432135166
oct4415271204146
91081737686887
10311031040102
1110a9a8a05a72
12503437baa5a
132343a303783
14110a81b25a6
158155d30337
hex486ae50866

311031040102 has 8 divisors (see below), whose sum is σ = 466554974112. Its totient is φ = 155512715400.

The previous prime is 311031040097. The next prime is 311031040139. The reversal of 311031040102 is 201040130113.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260849 + ... + 1487212.

It is an arithmetic number, because the mean of its divisors is an integer number (58319371764).

Almost surely, 2311031040102 is an apocalyptic number.

311031040102 is a deficient number, since it is larger than the sum of its proper divisors (155523934010).

311031040102 is a wasteful number, since it uses less digits than its factorization.

311031040102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804654.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 311031040102 its reverse (201040130113), we get a palindrome (512071170215).

The spelling of 311031040102 in words is "three hundred eleven billion, thirty-one million, forty thousand, one hundred two".

Divisors: 1 2 56591 113182 2748061 5496122 155515520051 311031040102