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1343325031 = 4331240117
BaseRepresentation
bin101000000010001…
…1000001101100111
310110121200222111221
41100010120031213
510222342400111
6341144041211
745201034336
oct12004301547
93417628457
101343325031
1162a2a9a84
12315a63207
131853c70a9
14ca59bd1d
157cdec371
hex50118367

1343325031 has 4 divisors (see below), whose sum is σ = 1374565192. Its totient is φ = 1312084872.

The previous prime is 1343325007. The next prime is 1343325059. The reversal of 1343325031 is 1305233431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1305233431 = 5772262103.

It is a cyclic number.

It is not a de Polignac number, because 1343325031 - 213 = 1343316839 is a prime.

It is a super-2 number, since 2×13433250312 = 3609044277822301922, 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 = 1343324987 and 1343325005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343325131) 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, 15620016 + ... + 15620101.

It is an arithmetic number, because the mean of its divisors is an integer number (343641298).

Almost surely, 21343325031 is an apocalyptic number.

1343325031 is a deficient number, since it is larger than the sum of its proper divisors (31240161).

1343325031 is an equidigital number, since it uses as much as digits as its factorization.

1343325031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31240160.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1343325031 is about 36651.3987591197. The cubic root of 1343325031 is about 1103.3848987156.

Adding to 1343325031 its reverse (1305233431), we get a palindrome (2648558462).

The spelling of 1343325031 in words is "one billion, three hundred forty-three million, three hundred twenty-five thousand, thirty-one".

Divisors: 1 43 31240117 1343325031