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2231113 = 19117427
BaseRepresentation
bin1000100000101101001001
311012100111211
420200231021
51032343423
6115453121
724651463
oct10405511
94170454
102231113
1112942a5
128b71a1
136016b1
14421133
152e110d
hex220b49

2231113 has 4 divisors (see below), whose sum is σ = 2348560. Its totient is φ = 2113668.

The previous prime is 2231107. The next prime is 2231129. The reversal of 2231113 is 3111322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3111322 = 21555661.

It is a cyclic number.

It is not a de Polignac number, because 2231113 - 213 = 2222921 is a prime.

It is a super-3 number, since 3×22311133 = 33318539405530079691, which contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231093 and 2231102.

It is not an unprimeable number, because it can be changed into a prime (2231413) 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, 58695 + ... + 58732.

It is an arithmetic number, because the mean of its divisors is an integer number (587140).

22231113 is an apocalyptic number.

It is an amenable number.

2231113 is a deficient number, since it is larger than the sum of its proper divisors (117447).

2231113 is a wasteful number, since it uses less digits than its factorization.

2231113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117446.

The product of its digits is 36, while the sum is 13.

The square root of 2231113 is about 1493.6910657830. The cubic root of 2231113 is about 130.6693875538.

Adding to 2231113 its reverse (3111322), we get a palindrome (5342435).

It can be divided in two parts, 22 and 31113, that multiplied together give a palindrome (684486).

The spelling of 2231113 in words is "two million, two hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 19 117427 2231113