1343542530 has 128 divisors (see below), whose sum is σ = 3628800000. Its totient is φ = 315532800.

The previous prime is 1343542523. The next prime is 1343542531. The reversal of 1343542530 is 352453431.

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

It is not an unprimeable number, because it can be changed into a prime (1343542531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2692221 + ... + 2692719.

It is an arithmetic number, because the mean of its divisors is an integer number (28350000).

Almost surely, 2^1343542530 is an apocalyptic number.

1343542530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343542530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814400000).

1343542530 is an abundant number, since it is smaller than the sum of its proper divisors (2285257470).

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

1343542530 is a wasteful number, since it uses less digits than its factorization.

1343542530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 1343542530 is about 36654.3657699871. The cubic root of 1343542530 is about 1103.4444455256. Note that the first 5 decimals are identical.

Adding to 1343542530 its reverse (352453431), we get a palindrome (1695995961).

The spelling of 1343542530 in words is "one billion, three hundred forty-three million, five hundred forty-two thousand, five hundred thirty".