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1330403031 = 32147822559
BaseRepresentation
bin100111101001100…
…0101011011010111
310102201101110212100
41033103011123113
510211040344111
6340003053143
744653145016
oct11723053327
93381343770
101330403031
11622a83541
123116711b3
13182821539
14c8996a7d
157bbe8756
hex4f4c56d7

1330403031 has 6 divisors (see below), whose sum is σ = 1921693280. Its totient is φ = 886935348.

The previous prime is 1330403029. The next prime is 1330403069. The reversal of 1330403031 is 1303040331.

It is not a de Polignac number, because 1330403031 - 21 = 1330403029 is a prime.

It is a super-2 number, since 2×13304030312 = 3539944449787973922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330402995 and 1330403013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330403021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73911271 + ... + 73911288.

Almost surely, 21330403031 is an apocalyptic number.

1330403031 is a deficient number, since it is larger than the sum of its proper divisors (591290249).

1330403031 is a wasteful number, since it uses less digits than its factorization.

1330403031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147822565 (or 147822562 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1330403031 is about 36474.6902796994. The cubic root of 1330403031 is about 1099.8355211373.

Adding to 1330403031 its reverse (1303040331), we get a palindrome (2633443362).

The spelling of 1330403031 in words is "one billion, three hundred thirty million, four hundred three thousand, thirty-one".

Divisors: 1 3 9 147822559 443467677 1330403031