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1331614111 = 11811127531
BaseRepresentation
bin100111101011110…
…1101000110011111
310102210200000011011
41033113231012133
510211343122421
6340045040051
744666350612
oct11727550637
93383600134
101331614111
11623730433
12311b56027
13182b56859
14c8bd0179
157bd874e1
hex4f5ed19f

1331614111 has 4 divisors (see below), whose sum is σ = 1332742824. Its totient is φ = 1330485400.

The previous prime is 1331614093. The next prime is 1331614121. The reversal of 1331614111 is 1114161331.

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 1331614111 - 29 = 1331613599 is a prime.

It is a super-2 number, since 2×13316141112 = 3546392281228640642, 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 (1331614121) 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, 562585 + ... + 564946.

It is an arithmetic number, because the mean of its divisors is an integer number (333185706).

Almost surely, 21331614111 is an apocalyptic number.

1331614111 is a deficient number, since it is larger than the sum of its proper divisors (1128713).

1331614111 is a wasteful number, since it uses less digits than its factorization.

1331614111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128712.

The product of its digits is 216, while the sum is 22.

The square root of 1331614111 is about 36491.2881521056. The cubic root of 1331614111 is about 1100.1691505719.

Adding to 1331614111 its reverse (1114161331), we get a palindrome (2445775442).

The spelling of 1331614111 in words is "one billion, three hundred thirty-one million, six hundred fourteen thousand, one hundred eleven".

Divisors: 1 1181 1127531 1331614111