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1344424531 = 3074379233
BaseRepresentation
bin101000000100010…
…0100101001010011
310110200202211202011
41100020210221103
510223133041111
6341223403351
745213264022
oct12010445123
93420684664
101344424531
1162a99005a
123162b3557
131856c0698
14ca7a68b9
157d068021
hex50224a53

1344424531 has 4 divisors (see below), whose sum is σ = 1348804072. Its totient is φ = 1340044992.

The previous prime is 1344424483. The next prime is 1344424537. The reversal of 1344424531 is 1354244431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1344424531 - 29 = 1344424019 is a prime.

It is a super-2 number, since 2×13444245312 = 3614954639109139922, 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 = 1344424493 and 1344424502.

It is not an unprimeable number, because it can be changed into a prime (1344424537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189310 + ... + 2189923.

It is an arithmetic number, because the mean of its divisors is an integer number (337201018).

Almost surely, 21344424531 is an apocalyptic number.

1344424531 is a deficient number, since it is larger than the sum of its proper divisors (4379541).

1344424531 is an equidigital number, since it uses as much as digits as its factorization.

1344424531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379540.

The product of its digits is 23040, while the sum is 31.

The square root of 1344424531 is about 36666.3951186914. The cubic root of 1344424531 is about 1103.6858536417.

Adding to 1344424531 its reverse (1354244431), we get a palindrome (2698668962).

The spelling of 1344424531 in words is "one billion, three hundred forty-four million, four hundred twenty-four thousand, five hundred thirty-one".

Divisors: 1 307 4379233 1344424531