1343161320 has 32 divisors (see below), whose sum is σ = 4029484320. Its totient is φ = 358176320.

The previous prime is 1343161307. The next prime is 1343161331. The reversal of 1343161320 is 231613431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5596386 + ... + 5596625.

It is an arithmetic number, because the mean of its divisors is an integer number (125921385).

Almost surely, 2^1343161320 is an apocalyptic number.

1343161320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343161320 is an abundant number, since it is smaller than the sum of its proper divisors (2686323000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1343161320 is a wasteful number, since it uses less digits than its factorization.

1343161320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11193025 (or 11193021 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1343161320 is about 36649.1653383812. The cubic root of 1343161320 is about 1103.3400737280.

Adding to 1343161320 its reverse (231613431), we get a palindrome (1574774751).

The spelling of 1343161320 in words is "one billion, three hundred forty-three million, one hundred sixty-one thousand, three hundred twenty".