1343121315 has 16 divisors (see below), whose sum is σ = 2154988800. Its totient is φ = 714333152.

The previous prime is 1343121301. The next prime is 1343121319. The reversal of 1343121315 is 5131213431.

It is a cyclic number.

It is not a de Polignac number, because 1343121315 - 2⁷ = 1343121187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343121319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119325 + ... + 130094.

It is an arithmetic number, because the mean of its divisors is an integer number (134686800).

Almost surely, 2^1343121315 is an apocalyptic number.

1343121315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1343121315 is a deficient number, since it is larger than the sum of its proper divisors (811867485).

1343121315 is a wasteful number, since it uses less digits than its factorization.

1343121315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249786.

The product of its digits is 1080, while the sum is 24.

The square root of 1343121315 is about 36648.6195510827. The cubic root of 1343121315 is about 1103.3291195814.

Adding to 1343121315 its reverse (5131213431), we get a palindrome (6474334746).

The spelling of 1343121315 in words is "one billion, three hundred forty-three million, one hundred twenty-one thousand, three hundred fifteen".