1343403213420 has 48 divisors (see below), whose sum is σ = 3814508291328. Its totient is φ = 353195209920.

The previous prime is 1343403213413. The next prime is 1343403213457. The reversal of 1343403213420 is 243123043431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157672174 + ... + 157680693.

It is an arithmetic number, because the mean of its divisors is an integer number (79468922736).

Almost surely, 2^{1343403213420} is an apocalyptic number.

1343403213420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343403213420 is an abundant number, since it is smaller than the sum of its proper divisors (2471105077908).

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

1343403213420 is a wasteful number, since it uses less digits than its factorization.

1343403213420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315352950 (or 315352948 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1343403213420 its reverse (243123043431), we get a palindrome (1586526256851).

The spelling of 1343403213420 in words is "one trillion, three hundred forty-three billion, four hundred three million, two hundred thirteen thousand, four hundred twenty".