1343454321 has 32 divisors (see below), whose sum is σ = 1986969600. Its totient is φ = 800642880.

The previous prime is 1343454293. The next prime is 1343454331. The reversal of 1343454321 is 1234543431.

It is not a de Polignac number, because 1343454321 - 2⁷ = 1343454193 is a prime.

It is a super-2 number, since 2×1343454321² = 3609739025227142082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1343454331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498640 + ... + 501326.

It is an arithmetic number, because the mean of its divisors is an integer number (62092800).

Almost surely, 2^1343454321 is an apocalyptic number.

1343454321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1343454321 is a deficient number, since it is larger than the sum of its proper divisors (643515279).

1343454321 is a wasteful number, since it uses less digits than its factorization.

1343454321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949.

The product of its digits is 17280, while the sum is 30.

The square root of 1343454321 is about 36653.1624965705. The cubic root of 1343454321 is about 1103.4202964672.

Adding to 1343454321 its reverse (1234543431), we get a palindrome (2577997752).

The spelling of 1343454321 in words is "one billion, three hundred forty-three million, four hundred fifty-four thousand, three hundred twenty-one".