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1002321131 = 71277112129
BaseRepresentation
bin111011101111100…
…011010011101011
32120212001012002212
4323233203103223
54023043234011
6243243115335
733560406020
oct7357432353
92525035085
101002321131
11474869779
1223b812b4b
1312c870836
1497193547
155cede08b
hex3bbe34eb

1002321131 has 8 divisors (see below), whose sum is σ = 1146417120. Its totient is φ = 858451968.

The previous prime is 1002321097. The next prime is 1002321143. The reversal of 1002321131 is 1311232001.

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 1002321131 - 214 = 1002304747 is a prime.

It is a super-2 number, since 2×10023211312 = 2009295299298238322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002321631) 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, 47126 + ... + 65003.

It is an arithmetic number, because the mean of its divisors is an integer number (143302140).

Almost surely, 21002321131 is an apocalyptic number.

1002321131 is a deficient number, since it is larger than the sum of its proper divisors (144095989).

1002321131 is a wasteful number, since it uses less digits than its factorization.

1002321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113413.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1002321131 is about 31659.4556333491. The cubic root of 1002321131 is about 1000.7731124764.

Adding to 1002321131 its reverse (1311232001), we get a palindrome (2313553132).

The spelling of 1002321131 in words is "one billion, two million, three hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 7 1277 8939 112129 784903 143188733 1002321131