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11132013131 = 47237235663
BaseRepresentation
bin10100101111000010…
…10000101001001011
31001201210211212012122
422113201100221023
5140244243410011
65040341401455
7542601356531
oct122741205113
931653755178
1011132013131
1147a2805258
1221a810928b
131085399525
14778636151
154524693db
hex297850a4b

11132013131 has 4 divisors (see below), whose sum is σ = 11132296032. Its totient is φ = 11131730232.

The previous prime is 11132013089. The next prime is 11132013143. The reversal of 11132013131 is 13131023111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11132013131 - 214 = 11131996747 is a prime.

It is a super-2 number, since 2×111320131312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11132015131) 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, 70595 + ... + 165068.

It is an arithmetic number, because the mean of its divisors is an integer number (2783074008).

Almost surely, 211132013131 is an apocalyptic number.

11132013131 is a deficient number, since it is larger than the sum of its proper divisors (282901).

11132013131 is an equidigital number, since it uses as much as digits as its factorization.

11132013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282900.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11132013131 its reverse (13131023111), we get a palindrome (24263036242).

The spelling of 11132013131 in words is "eleven billion, one hundred thirty-two million, thirteen thousand, one hundred thirty-one".

Divisors: 1 47237 235663 11132013131