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311301213102100 = 225213239462471617
BaseRepresentation
bin100011011001000000111011…
…0001110011010000000010100
31111211020002211210012021011001
41012302001312032122000110
5311300324341023231400
63022025445241553044
7122366525156043634
oct10662016616320024
91454202753167131
10311301213102100
1190210115210251
122aab83164a5784
1310491769a88760
1456c30b82906c4
1525ec9d3e4ea6a
hex11b207639a014

311301213102100 has 36 divisors (see below), whose sum is σ = 727486988775484. Its totient is φ = 114941986375680.

The previous prime is 311301213102079. The next prime is 311301213102119. The reversal of 311301213102100 is 1201312103113.

It can be written as a sum of positive squares in 6 ways, for example, as 79735541634576 + 231565671467524 = 8929476^2 + 15217282^2 .

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 11 ways as a sum of consecutive naturals, for example, 119731234509 + ... + 119731237108.

Almost surely, 2311301213102100 is an apocalyptic number.

It is an amenable number.

311301213102100 is an abundant number, since it is smaller than the sum of its proper divisors (416185775673384).

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

311301213102100 is a wasteful number, since it uses less digits than its factorization.

311301213102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239462471644 (or 239462471637 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 311301213102100 its reverse (1201312103113), we get a palindrome (312502525205213).

The spelling of 311301213102100 in words is "three hundred eleven trillion, three hundred one billion, two hundred thirteen million, one hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 239462471617 478924943234 957849886468 1197312358085 2394624716170 3113012131021 4789249432340 5986561790425 6226024262042 11973123580850 12452048524084 15565060655105 23946247161700 31130121310210 62260242620420 77825303275525 155650606551050 311301213102100