1343015461 has 4 divisors (see below), whose sum is σ = 1343138400. Its totient is φ = 1342892524.

The previous prime is 1343015423. The next prime is 1343015473. The reversal of 1343015461 is 1645103431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343015461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343085461) 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, 43291 + ... + 67528.

It is an arithmetic number, because the mean of its divisors is an integer number (335784600).

Almost surely, 2^1343015461 is an apocalyptic number.

It is an amenable number.

1343015461 is a deficient number, since it is larger than the sum of its proper divisors (122939).

1343015461 is a wasteful number, since it uses less digits than its factorization.

1343015461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122938.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1343015461 is about 36647.1753481766. The cubic root of 1343015461 is about 1103.3001336495.

Adding to 1343015461 its reverse (1645103431), we get a palindrome (2988118892).

The spelling of 1343015461 in words is "one billion, three hundred forty-three million, fifteen thousand, four hundred sixty-one".