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1331034131 = 7190147733
BaseRepresentation
bin100111101010101…
…1111100000010011
310102202120112120102
41033111133200103
510211221043011
6340024403015
744661413660
oct11725374023
93382515512
101331034131
11623374709
1231191646b
131829b287b
14c8abca67
157bcc073b
hex4f55f813

1331034131 has 4 divisors (see below), whose sum is σ = 1521181872. Its totient is φ = 1140886392.

The previous prime is 1331034109. The next prime is 1331034137. The reversal of 1331034131 is 1314301331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1331034131 - 210 = 1331033107 is a prime.

It is a super-2 number, since 2×13310341312 = 3543303715773850322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1331034137) 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, 95073860 + ... + 95073873.

It is an arithmetic number, because the mean of its divisors is an integer number (380295468).

Almost surely, 21331034131 is an apocalyptic number.

1331034131 is a deficient number, since it is larger than the sum of its proper divisors (190147741).

1331034131 is an equidigital number, since it uses as much as digits as its factorization.

1331034131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190147740.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1331034131 is about 36483.3404583517. The cubic root of 1331034131 is about 1100.0094023990.

Adding to 1331034131 its reverse (1314301331), we get a palindrome (2645335462).

The spelling of 1331034131 in words is "one billion, three hundred thirty-one million, thirty-four thousand, one hundred thirty-one".

Divisors: 1 7 190147733 1331034131