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1343342431 = 17499158357
BaseRepresentation
bin101000000010001…
…1100011101011111
310110121201212101101
41100010130131133
510222343424211
6341144253531
745201136144
oct12004343537
93417655341
101343342431
1162a311062
12315a712a7
13185401ca2
14ca5a43cb
157ce025c1
hex5011c75f

1343342431 has 8 divisors (see below), whose sum is σ = 1425222000. Its totient is φ = 1261780608.

The previous prime is 1343342401. The next prime is 1343342443. The reversal of 1343342431 is 1342433431.

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 1343342431 - 27 = 1343342303 is a prime.

It is a super-2 number, since 2×13433424312 = 3609137773849979522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1343342431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343342401) 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, 70696 + ... + 87661.

It is an arithmetic number, because the mean of its divisors is an integer number (178152750).

Almost surely, 21343342431 is an apocalyptic number.

1343342431 is a deficient number, since it is larger than the sum of its proper divisors (81879569).

1343342431 is a wasteful number, since it uses less digits than its factorization.

1343342431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158873.

The product of its digits is 10368, while the sum is 28.

The square root of 1343342431 is about 36651.6361299192. The cubic root of 1343342431 is about 1103.3896627188.

Adding to 1343342431 its reverse (1342433431), we get a palindrome (2685775862).

The spelling of 1343342431 in words is "one billion, three hundred forty-three million, three hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 17 499 8483 158357 2692069 79020143 1343342431