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311200121430313 = 4672629725340587
BaseRepresentation
bin100011011000010001110110…
…0101100010010000100101001
31111210212102220112101020201221
41012300203230230102010221
5311242200322041232223
63021511210120342041
7122356316055026563
oct10660435454220451
91453772815336657
10311200121430313
1190181259638a65
122aaa0803014921
1310485079052c9b
1456bc24825c333
1525ea068e76b5d
hex11b08ecb12129

311200121430313 has 8 divisors (see below), whose sum is σ = 311878374548832. Its totient is φ = 310521919046496.

The previous prime is 311200121430287. The next prime is 311200121430371. The reversal of 311200121430313 is 313034121002113.

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

It is a cyclic number.

It is not a de Polignac number, because 311200121430313 - 237 = 311062682476841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311200121430713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389595 + ... + 24950992.

It is an arithmetic number, because the mean of its divisors is an integer number (38984796818604).

Almost surely, 2311200121430313 is an apocalyptic number.

It is an amenable number.

311200121430313 is a deficient number, since it is larger than the sum of its proper divisors (678253118519).

311200121430313 is a wasteful number, since it uses less digits than its factorization.

311200121430313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25367351.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 311200121430313 its reverse (313034121002113), we get a palindrome (624234242432426).

The spelling of 311200121430313 in words is "three hundred eleven trillion, two hundred billion, one hundred twenty-one million, four hundred thirty thousand, three hundred thirteen".

Divisors: 1 467 26297 12280699 25340587 11834054129 666381416339 311200121430313