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311321010213323 = 11192103761151871
BaseRepresentation
bin100011011001001010001001…
…0001110011001000111001011
31111211021222221110221201022122
41012302110102032121013023
5311301140412103311243
63022042521522441455
7122401125565522235
oct10662242216310713
91454258843851278
10311321010213323
11902185541639a0
122ab0012050328b
13104935a3407256
1456c4035641255
1525ed291e90668
hex11b25123991cb

311321010213323 has 24 divisors (see below), whose sum is σ = 361918581313536. Its totient is φ = 265520218330800.

The previous prime is 311321010213271. The next prime is 311321010213331. The reversal of 311321010213323 is 323312010123113.

It is not a de Polignac number, because 311321010213323 - 246 = 240952266035659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311321010213292 and 311321010213301.

It is not an unprimeable number, because it can be changed into a prime (311321010215323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380166923 + ... + 380984948.

It is an arithmetic number, because the mean of its divisors is an integer number (15079940888064).

Almost surely, 2311321010213323 is an apocalyptic number.

311321010213323 is a deficient number, since it is larger than the sum of its proper divisors (50597571100213).

311321010213323 is a wasteful number, since it uses less digits than its factorization.

311321010213323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761152023 (or 761152004 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 311321010213323 its reverse (323312010123113), we get a palindrome (634633020336436).

The spelling of 311321010213323 in words is "three hundred eleven trillion, three hundred twenty-one billion, ten million, two hundred thirteen thousand, three hundred twenty-three".

Divisors: 1 11 19 103 209 361 1133 1957 3971 21527 37183 409013 761151871 8372670581 14461885549 78398642713 159080741039 274775825431 862385069843 1489574211547 3022534079741 16385316327017 28301910019393 311321010213323