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1331300213 = 3177141903
BaseRepresentation
bin100111101011010…
…0000011101110101
310102210002001120022
41033112200131311
510211303101323
6340034214525
744663602505
oct11726403565
93383061508
101331300213
11623536611
12311a24445
13182a76a09
14c8b4ba05
157bd244c8
hex4f5a0775

1331300213 has 4 divisors (see below), whose sum is σ = 1331373888. Its totient is φ = 1331226540.

The previous prime is 1331300123. The next prime is 1331300261. The reversal of 1331300213 is 3120031331.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3120031331 = 26311863237.

It is a cyclic number.

It is not a de Polignac number, because 1331300213 - 214 = 1331283829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331300191 and 1331300200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331300273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10820 + ... + 52722.

It is an arithmetic number, because the mean of its divisors is an integer number (332843472).

Almost surely, 21331300213 is an apocalyptic number.

It is an amenable number.

1331300213 is a deficient number, since it is larger than the sum of its proper divisors (73675).

1331300213 is an equidigital number, since it uses as much as digits as its factorization.

1331300213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73674.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1331300213 is about 36486.9868994413. The cubic root of 1331300213 is about 1100.0826970885.

Adding to 1331300213 its reverse (3120031331), we get a palindrome (4451331544).

The spelling of 1331300213 in words is "one billion, three hundred thirty-one million, three hundred thousand, two hundred thirteen".

Divisors: 1 31771 41903 1331300213