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1331211301 = 7190173043
BaseRepresentation
bin100111101011000…
…1010110000100101
310102202220112121021
41033112022300211
510211242230201
6340032251141
744663052340
oct11726126045
93382815537
101331211301
11623485832
123119a0ab1
13182a453c4
14c8b27457
157bd07ea1
hex4f58ac25

1331211301 has 4 divisors (see below), whose sum is σ = 1521384352. Its totient is φ = 1141038252.

The previous prime is 1331211281. The next prime is 1331211311. The reversal of 1331211301 is 1031121331.

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.

It is a cyclic number.

It is not a de Polignac number, because 1331211301 - 27 = 1331211173 is a prime.

It is a super-2 number, since 2×13312113012 = 3544247055820225202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331211311) 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, 95086515 + ... + 95086528.

It is an arithmetic number, because the mean of its divisors is an integer number (380346088).

Almost surely, 21331211301 is an apocalyptic number.

It is an amenable number.

1331211301 is a deficient number, since it is larger than the sum of its proper divisors (190173051).

1331211301 is an equidigital number, since it uses as much as digits as its factorization.

1331211301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190173050.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1331211301 is about 36485.7684721043. The cubic root of 1331211301 is about 1100.0582065618.

Adding to 1331211301 its reverse (1031121331), we get a palindrome (2362332632).

The spelling of 1331211301 in words is "one billion, three hundred thirty-one million, two hundred eleven thousand, three hundred one".

Divisors: 1 7 190173043 1331211301