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311030013100 = 22523110300131
BaseRepresentation
bin1001000011010101101…
…01010101110010101100
31002201211012211202012211
410201222311111302230
520043442140404400
6354515112340204
731320420330052
oct4415265256254
91081735752184
10311030013100
1110a9a8374404
12503433a4664
132343a034191
14110a7dc61d2
158155bcadba
hex486ad55cac

311030013100 has 18 divisors (see below), whose sum is σ = 674935128644. Its totient is φ = 124412005200.

The previous prime is 311030013059. The next prime is 311030013113. The reversal of 311030013100 is 1310030113.

It is a happy number.

It is a super-2 number, since 2×3110300131002 (a number of 24 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 1555149966 + ... + 1555150165.

Almost surely, 2311030013100 is an apocalyptic number.

It is an amenable number.

311030013100 is an abundant number, since it is smaller than the sum of its proper divisors (363905115544).

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

311030013100 is a wasteful number, since it uses less digits than its factorization.

311030013100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110300145 (or 3110300138 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 311030013100 its reverse (1310030113), we get a palindrome (312340043213).

It can be divided in two parts, 311030013 and 100, that added together give a palindrome (311030113).

The spelling of 311030013100 in words is "three hundred eleven billion, thirty million, thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 3110300131 6220600262 12441200524 15551500655 31103001310 62206002620 77757503275 155515006550 311030013100