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311014342040 = 23515289508559
BaseRepresentation
bin1001000011010011110…
…01100011110110011000
31002201210010100120120012
410201221321203312120
520043424132421130
6354513352421052
731320140200613
oct4415171436630
91081703316505
10311014342040
1110a99a540516
125033a0a7788
1323436a0826c
14110a5ca717a
158154632995
hex4869e63d98

311014342040 has 32 divisors (see below), whose sum is σ = 699829416000. Its totient is φ = 124397355264.

The previous prime is 311014341997. The next prime is 311014342141. The reversal of 311014342040 is 40243410113.

It is a super-2 number, since 2×3110143420402 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311014341997 and 311014342015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357281 + ... + 865839.

It is an arithmetic number, because the mean of its divisors is an integer number (21869669250).

Almost surely, 2311014342040 is an apocalyptic number.

It is an amenable number.

311014342040 is an abundant number, since it is smaller than the sum of its proper divisors (388815073960).

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

311014342040 is a wasteful number, since it uses less digits than its factorization.

311014342040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523859 (or 523855 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 311014342040 its reverse (40243410113), we get a palindrome (351257752153).

The spelling of 311014342040 in words is "three hundred eleven billion, fourteen million, three hundred forty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 15289 30578 61156 76445 122312 152890 305780 508559 611560 1017118 2034236 2542795 4068472 5085590 10171180 20342360 7775358551 15550717102 31101434204 38876792755 62202868408 77753585510 155507171020 311014342040