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1331421141 = 3472194007
BaseRepresentation
bin100111101011011…
…1101111111010101
310102210022012110010
41033112331333111
510211320434031
6340040550433
744664615201
oct11726757725
93383265403
101331421141
11623609456
12311a82419
13182ab9a7b
14c8b7db01
157bd4a246
hex4f5bdfd5

1331421141 has 8 divisors (see below), whose sum is σ = 1775623104. Its totient is φ = 887416640.

The previous prime is 1331421131. The next prime is 1331421163. The reversal of 1331421141 is 1411241331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331421141 - 213 = 1331412949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331421131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32841 + ... + 61166.

It is an arithmetic number, because the mean of its divisors is an integer number (221952888).

Almost surely, 21331421141 is an apocalyptic number.

It is an amenable number.

1331421141 is a deficient number, since it is larger than the sum of its proper divisors (444201963).

1331421141 is an equidigital number, since it uses as much as digits as its factorization.

1331421141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98731.

The product of its digits is 288, while the sum is 21.

The square root of 1331421141 is about 36488.6440005654. The cubic root of 1331421141 is about 1100.1160045703.

Adding to 1331421141 its reverse (1411241331), we get a palindrome (2742662472).

The spelling of 1331421141 in words is "one billion, three hundred thirty-one million, four hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 3 4721 14163 94007 282021 443807047 1331421141