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311300312211213 = 31318397433878311
BaseRepresentation
bin100011011001000000100000…
…0100001110001111100001101
31111211020000112000000021011220
41012302001000201301330031
5311300321014411224323
63022025220020433553
7122366463636434613
oct10662010041617415
91454200460007156
10311300312211213
119020a7a272a626
122aab81048488b9
131049165523c720
1456c30307816b3
1525ec97ece90e3
hex11b2040871f0d

311300312211213 has 16 divisors (see below), whose sum is σ = 447019618313856. Its totient is φ = 191559009378240.

The previous prime is 311300312211209. The next prime is 311300312211257. The reversal of 311300312211213 is 312112213003113.

It is not a de Polignac number, because 311300312211213 - 22 = 311300312211209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311300312212213) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 216221673 + ... + 217656638.

It is an arithmetic number, because the mean of its divisors is an integer number (27938726144616).

Almost surely, 2311300312211213 is an apocalyptic number.

It is an amenable number.

311300312211213 is a deficient number, since it is larger than the sum of its proper divisors (135719306102643).

311300312211213 is a wasteful number, since it uses less digits than its factorization.

311300312211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433896724.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 311300312211213 its reverse (312112213003113), we get a palindrome (623412525214326).

The spelling of 311300312211213 in words is "three hundred eleven trillion, three hundred billion, three hundred twelve million, two hundred eleven thousand, two hundred thirteen".

Divisors: 1 3 13 39 18397 55191 239161 717483 433878311 1301634933 5640418043 16921254129 7982059287467 23946177862401 103766770737071 311300312211213