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11131330223 = 13856256171
BaseRepresentation
bin10100101110111101…
…01001111010101111
31001201202120011102202
422113132221322233
5140244110031343
65040315012115
7542562513536
oct122736517257
931652504382
1011131330223
1147a2389172
1221a7a3a03b
1310851ba740
147784d931d
15452381db8
hex2977a9eaf

11131330223 has 4 divisors (see below), whose sum is σ = 11987586408. Its totient is φ = 10275074040.

The previous prime is 11131330183. The next prime is 11131330237. The reversal of 11131330223 is 32203313111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32203313111 = 162293198427.

It is a cyclic number.

It is not a de Polignac number, because 11131330223 - 210 = 11131329199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131330195 and 11131330204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131330283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428128073 + ... + 428128098.

It is an arithmetic number, because the mean of its divisors is an integer number (2996896602).

Almost surely, 211131330223 is an apocalyptic number.

11131330223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11131330223 is a deficient number, since it is larger than the sum of its proper divisors (856256185).

11131330223 is an equidigital number, since it uses as much as digits as its factorization.

11131330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856256184.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11131330223 its reverse (32203313111), we get a palindrome (43334643334).

The spelling of 11131330223 in words is "eleven billion, one hundred thirty-one million, three hundred thirty thousand, two hundred twenty-three".

Divisors: 1 13 856256171 11131330223