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11210113231 = 43348753161
BaseRepresentation
bin10100111000010110…
…01100000011001111
31001221020210202101221
422130023030003033
5140424242110411
65052211344211
7544540250602
oct123413140317
931836722357
1011210113231
1148328a8a99
12220a2b2067
131098612bc5
14784b66339
15459245071
hex29c2cc0cf

11210113231 has 8 divisors (see below), whose sum is σ = 11259286304. Its totient is φ = 11161048320.

The previous prime is 11210113223. The next prime is 11210113307. The reversal of 11210113231 is 13231101211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11210113231 - 23 = 11210113223 is a prime.

It is a super-2 number, since 2×112101132312 (a number of 21 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 (11210113931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184291 + ... + 237451.

It is an arithmetic number, because the mean of its divisors is an integer number (1407410788).

Almost surely, 211210113231 is an apocalyptic number.

11210113231 is a deficient number, since it is larger than the sum of its proper divisors (49173073).

11210113231 is an equidigital number, since it uses as much as digits as its factorization.

11210113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54081.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11210113231 its reverse (13231101211), we get a palindrome (24441214442).

The spelling of 11210113231 in words is "eleven billion, two hundred ten million, one hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 433 487 53161 210871 23018713 25889407 11210113231