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111131301011311 = 7227379280165881
BaseRepresentation
bin11001010001001011000101…
…101110000101111101101111
3112120111001022102222200020001
4121101023011232011331233
5104031233401024330221
61032205003114405131
732256654144455050
oct3121130556057557
9476431272880201
10111131301011311
113245657a263279
1210569ba7a307a7
134a01837b41ba9
141d62ad8558727
15ccaba812c391
hex6512c5b85f6f

111131301011311 has 32 divisors (see below), whose sum is σ = 127950897415680. Its totient is φ = 94550343552000.

The previous prime is 111131301011267. The next prime is 111131301011317. The reversal of 111131301011311 is 113110103131111.

It is not a de Polignac number, because 111131301011311 - 29 = 111131301010799 is a prime.

It is a super-2 number, since 2×1111313010113112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111131301011317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1686816091 + ... + 1686881971.

It is an arithmetic number, because the mean of its divisors is an integer number (3998465544240).

Almost surely, 2111131301011311 is an apocalyptic number.

111131301011311 is a deficient number, since it is larger than the sum of its proper divisors (16819596404369).

111131301011311 is a wasteful number, since it uses less digits than its factorization.

111131301011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69295.

The product of its (nonzero) digits is 27, while the sum is 19.

Adding to 111131301011311 its reverse (113110103131111), we get a palindrome (224241404142422).

The spelling of 111131301011311 in words is "one hundred eleven trillion, one hundred thirty-one billion, three hundred one million, eleven thousand, three hundred eleven".

Divisors: 1 7 227 379 1589 2653 2801 19607 65881 86033 461167 602231 635827 1061579 4450789 7431053 14954987 24968899 104684909 174782293 184532681 240978433 1291728767 1686849031 5667940073 39675580511 41888918587 69937886099 293222430109 489565202693 15875900144473 111131301011311