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1230302221311 = 39111319341293
BaseRepresentation
bin10001111001110011101…
…110100001001111111111
311100121121212200110001110
4101321303232201033333
5130124124332040221
62341105410213103
7154613015222412
oct21716356411777
94317555613043
101230302221311
1143484a5914a9
1217a535884193
138c02b477987
1443792b63b79
152200a111776
hex11e73ba13ff

1230302221311 has 16 divisors (see below), whose sum is σ = 1643453475840. Its totient is φ = 818677597920.

The previous prime is 1230302221297. The next prime is 1230302221331. The reversal of 1230302221311 is 1131222030321.

It is not a de Polignac number, because 1230302221311 - 233 = 1221712286719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230302221331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3434181 + ... + 3775473.

It is an arithmetic number, because the mean of its divisors is an integer number (102715842240).

Almost surely, 21230302221311 is an apocalyptic number.

1230302221311 is a deficient number, since it is larger than the sum of its proper divisors (413151254529).

1230302221311 is a wasteful number, since it uses less digits than its factorization.

1230302221311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343526.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1230302221311 its reverse (1131222030321), we get a palindrome (2361524251632).

The spelling of 1230302221311 in words is "one trillion, two hundred thirty billion, three hundred two million, two hundred twenty-one thousand, three hundred eleven".

Divisors: 1 3 911 1319 2733 3957 341293 1023879 1201609 3604827 310917923 450165467 932753769 1350496401 410100740437 1230302221311