1020134343 has 4 divisors (see below), whose sum is σ = 1360179128. Its totient is φ = 680089560.

The previous prime is 1020134333. The next prime is 1020134383. The reversal of 1020134343 is 3434310201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1020134343 - 2⁴ = 1020134327 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020134333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170022388 + ... + 170022393.

It is an arithmetic number, because the mean of its divisors is an integer number (340044782).

Almost surely, 2^1020134343 is an apocalyptic number.

1020134343 is a deficient number, since it is larger than the sum of its proper divisors (340044785).

1020134343 is an equidigital number, since it uses as much as digits as its factorization.

1020134343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340044784.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1020134343 is about 31939.5419973424. The cubic root of 1020134343 is about 1006.6669013176. Note that the first 3 decimals are identical.

Adding to 1020134343 its reverse (3434310201), we get a palindrome (4454444544).

It can be divided in two parts, 10201 and 34343, that added together give a palindrome (44544).

The spelling of 1020134343 in words is "one billion, twenty million, one hundred thirty-four thousand, three hundred forty-three".