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1342033331 = 1578547983
BaseRepresentation
bin100111111111101…
…1100110110110011
310110112021100122012
41033333130312303
510222030031311
6341100233135
745154044422
oct11777346663
93415240565
101342033331
116295a7561
1231553b7ab
13185064182
14ca3432b9
157cc4478b
hex4ffdcdb3

1342033331 has 4 divisors (see below), whose sum is σ = 1350581472. Its totient is φ = 1333485192.

The previous prime is 1342033309. The next prime is 1342033333. The reversal of 1342033331 is 1333302431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1333302431 = 1916980641.

It is a cyclic number.

It is not a de Polignac number, because 1342033331 - 226 = 1274924467 is a prime.

It is a super-2 number, since 2×13420333312 = 3602106923029911122, 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 = 1342033297 and 1342033306.

It is not an unprimeable number, because it can be changed into a prime (1342033333) 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, 4273835 + ... + 4274148.

It is an arithmetic number, because the mean of its divisors is an integer number (337645368).

Almost surely, 21342033331 is an apocalyptic number.

1342033331 is a deficient number, since it is larger than the sum of its proper divisors (8548141).

1342033331 is an equidigital number, since it uses as much as digits as its factorization.

1342033331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8548140.

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

The square root of 1342033331 is about 36633.7730925986. The cubic root of 1342033331 is about 1103.0311249805.

Adding to 1342033331 its reverse (1333302431), we get a palindrome (2675335762).

The spelling of 1342033331 in words is "one billion, three hundred forty-two million, thirty-three thousand, three hundred thirty-one".

Divisors: 1 157 8547983 1342033331