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342133331 = 2511363081
BaseRepresentation
bin10100011001001…
…000101001010011
3212211210011200212
4110121020221103
51200041231311
653541034335
711323041161
oct2431105123
9784704625
10342133331
11166141921
12966b59ab
1355b60677
1433620231
1520082c8b
hex14648a53

342133331 has 4 divisors (see below), whose sum is σ = 343496664. Its totient is φ = 340770000.

The previous prime is 342133321. The next prime is 342133343. The reversal of 342133331 is 133331243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133331243 = 902914767.

It is a cyclic number.

It is not a de Polignac number, because 342133331 - 222 = 337939027 is a prime.

It is a super-2 number, since 2×3421333312 = 234110432362311122, 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 = 342133297 and 342133306.

It is not an unprimeable number, because it can be changed into a prime (342133321) 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, 681290 + ... + 681791.

It is an arithmetic number, because the mean of its divisors is an integer number (85874166).

Almost surely, 2342133331 is an apocalyptic number.

342133331 is a deficient number, since it is larger than the sum of its proper divisors (1363333).

342133331 is a wasteful number, since it uses less digits than its factorization.

342133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363332.

The product of its digits is 1944, while the sum is 23.

The square root of 342133331 is about 18496.8465150144. The cubic root of 342133331 is about 699.4099319911.

Adding to 342133331 its reverse (133331243), we get a palindrome (475464574).

The spelling of 342133331 in words is "three hundred forty-two million, one hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 251 1363081 342133331