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13110021331 = 1143158317509
BaseRepresentation
bin11000011010110101…
…10000110011010011
31020211122211002100121
430031122300303103
5203322131140311
610004521131111
7642610225351
oct141532606323
936748732317
1013110021331
1156182a1080
12265a629a97
13130c113994
148c52087d1
1551ae35b71
hex30d6b0cd3

13110021331 has 16 divisors (see below), whose sum is σ = 14644523520. Its totient is φ = 11633015520.

The previous prime is 13110021313. The next prime is 13110021341. The reversal of 13110021331 is 13312001131.

13110021331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13110021331 - 211 = 13110019283 is a prime.

It is a super-2 number, since 2×131100213312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13110021311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740005 + ... + 757513.

It is an arithmetic number, because the mean of its divisors is an integer number (915282720).

Almost surely, 213110021331 is an apocalyptic number.

13110021331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13110021331 is a deficient number, since it is larger than the sum of its proper divisors (1534502189).

13110021331 is a wasteful number, since it uses less digits than its factorization.

13110021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19146.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13110021331 its reverse (13312001131), we get a palindrome (26422022462).

The spelling of 13110021331 in words is "thirteen billion, one hundred ten million, twenty-one thousand, three hundred thirty-one".

Divisors: 1 11 43 473 1583 17413 17509 68069 192599 748759 752887 8281757 27716747 304884217 1191820121 13110021331