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113343231 = 373517549
BaseRepresentation
bin1101100000101…
…11101011111111
321220021102200110
412300113223333
5213003440411
615125201103
72544254511
oct660275377
9256242613
10113343231
1158a854a1
1231b60193
131a636001
14110a5bb1
159e3d2a6
hex6c17aff

113343231 has 8 divisors (see below), whose sum is σ = 153194800. Its totient is φ = 74526912.

The previous prime is 113343211. The next prime is 113343253. The reversal of 113343231 is 132343311.

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

It is not a de Polignac number, because 113343231 - 219 = 112818943 is a prime.

It is a super-2 number, since 2×1133432312 = 25693376027038722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113343198 and 113343207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113343211) 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, 258556 + ... + 258993.

It is an arithmetic number, because the mean of its divisors is an integer number (19149350).

Almost surely, 2113343231 is an apocalyptic number.

113343231 is a deficient number, since it is larger than the sum of its proper divisors (39851569).

113343231 is an equidigital number, since it uses as much as digits as its factorization.

113343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517625.

The product of its digits is 648, while the sum is 21.

The square root of 113343231 is about 10646.2778002455. The cubic root of 113343231 is about 483.9478107217.

Adding to 113343231 its reverse (132343311), we get a palindrome (245686542).

The spelling of 113343231 in words is "one hundred thirteen million, three hundred forty-three thousand, two hundred thirty-one".

Divisors: 1 3 73 219 517549 1552647 37781077 113343231