203140343401 has 4 divisors (see below), whose sum is σ = 204739873792. Its totient is φ = 201540813012.

The previous prime is 203140343381. The next prime is 203140343459. The reversal of 203140343401 is 104343041302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 203140343401 - 2⁵ = 203140343369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203140341401) 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, 799765005 + ... + 799765258.

It is an arithmetic number, because the mean of its divisors is an integer number (51184968448).

Almost surely, 2^203140343401 is an apocalyptic number.

It is an amenable number.

203140343401 is a deficient number, since it is larger than the sum of its proper divisors (1599530391).

203140343401 is a wasteful number, since it uses less digits than its factorization.

203140343401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599530390.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 203140343401 its reverse (104343041302), we get a palindrome (307483384703).

The spelling of 203140343401 in words is "two hundred three billion, one hundred forty million, three hundred forty-three thousand, four hundred one".