202130340443 has 4 divisors (see below), whose sum is σ = 202271395848. Its totient is φ = 201989285040.

The previous prime is 202130340353. The next prime is 202130340457. The reversal of 202130340443 is 344043031202.

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

It is a cyclic number.

It is not a de Polignac number, because 202130340443 - 2¹² = 202130336347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202130340043) 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, 70525553 + ... + 70528418.

It is an arithmetic number, because the mean of its divisors is an integer number (50567848962).

Almost surely, 2^202130340443 is an apocalyptic number.

202130340443 is a deficient number, since it is larger than the sum of its proper divisors (141055405).

202130340443 is a wasteful number, since it uses less digits than its factorization.

202130340443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141055404.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 202130340443 its reverse (344043031202), we get a palindrome (546173371645).

The spelling of 202130340443 in words is "two hundred two billion, one hundred thirty million, three hundred forty thousand, four hundred forty-three".