1344513131 has 12 divisors (see below), whose sum is σ = 1532522520. Its totient is φ = 1175765760.

The previous prime is 1344513127. The next prime is 1344513133. The reversal of 1344513131 is 1313154431.

It is not a de Polignac number, because 1344513131 - 2² = 1344513127 is a prime.

It is a super-2 number, since 2×1344513131² = 3615431118862846322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1344513131.

It is not an unprimeable number, because it can be changed into a prime (1344513133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206150 + ... + 212571.

It is an arithmetic number, because the mean of its divisors is an integer number (127710210).

Almost surely, 2^1344513131 is an apocalyptic number.

1344513131 is a deficient number, since it is larger than the sum of its proper divisors (188009389).

1344513131 is a wasteful number, since it uses less digits than its factorization.

1344513131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418766 (or 418753 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 1344513131 is about 36667.6032895525. The cubic root of 1344513131 is about 1103.7100980716.

Adding to 1344513131 its reverse (1313154431), we get a palindrome (2657667562).

The spelling of 1344513131 in words is "one billion, three hundred forty-four million, five hundred thirteen thousand, one hundred thirty-one".