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1331102131 = 5939224129
BaseRepresentation
bin100111101010111…
…0000000110110011
310102202200222211221
41033111300012303
510211230232011
6340030045511
744662116142
oct11725600663
93382628757
101331102131
11623410807
12311949897
13182a077c8
14c8ad9759
157bcd5971
hex4f5701b3

1331102131 has 4 divisors (see below), whose sum is σ = 1331332200. Its totient is φ = 1330872064.

The previous prime is 1331102119. The next prime is 1331102137. The reversal of 1331102131 is 1312011331.

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 1331102131 - 29 = 1331101619 is a prime.

It is a super-2 number, since 2×13311021312 = 3543665766305482322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331102137) 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, 106126 + ... + 118003.

It is an arithmetic number, because the mean of its divisors is an integer number (332833050).

Almost surely, 21331102131 is an apocalyptic number.

1331102131 is a deficient number, since it is larger than the sum of its proper divisors (230069).

1331102131 is an equidigital number, since it uses as much as digits as its factorization.

1331102131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230068.

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

The square root of 1331102131 is about 36484.2723786565. The cubic root of 1331102131 is about 1100.0281345421.

Adding to 1331102131 its reverse (1312011331), we get a palindrome (2643113462).

The spelling of 1331102131 in words is "one billion, three hundred thirty-one million, one hundred two thousand, one hundred thirty-one".

Divisors: 1 5939 224129 1331102131