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1112023231 = 111011000921
BaseRepresentation
bin100001001001000…
…0010000010111111
32212111110122002121
41002102002002333
54234134220411
6302202303411
736362020144
oct10222020277
92774418077
101112023231
11520787570
122704b7b67
13149500417
14a798c3cb
156795d571
hex424820bf

1112023231 has 8 divisors (see below), whose sum is σ = 1225128528. Its totient is φ = 1000920000.

The previous prime is 1112023217. The next prime is 1112023247. The reversal of 1112023231 is 1323202111.

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 1112023231 - 215 = 1111990463 is a prime.

It is a super-2 number, since 2×11120232312 = 2473191332567358722, which 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 (1112023291) 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, 499350 + ... + 501571.

It is an arithmetic number, because the mean of its divisors is an integer number (153141066).

Almost surely, 21112023231 is an apocalyptic number.

1112023231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112023231 is a deficient number, since it is larger than the sum of its proper divisors (113105297).

1112023231 is a wasteful number, since it uses less digits than its factorization.

1112023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001033.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1112023231 is about 33347.0123249445. The cubic root of 1112023231 is about 1036.0275079904.

Adding to 1112023231 its reverse (1323202111), we get a palindrome (2435225342).

The spelling of 1112023231 in words is "one billion, one hundred twelve million, twenty-three thousand, two hundred thirty-one".

Divisors: 1 11 101 1111 1000921 11010131 101093021 1112023231