203440402101 has 8 divisors (see below), whose sum is σ = 274050301504. Its totient is φ = 134228718720.

The previous prime is 203440402097. The next prime is 203440402103. The reversal of 203440402101 is 101204044302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203440402101 - 2² = 203440402097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203440402103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349553665 + ... + 349554246.

It is an arithmetic number, because the mean of its divisors is an integer number (34256287688).

Almost surely, 2^203440402101 is an apocalyptic number.

It is an amenable number.

203440402101 is a deficient number, since it is larger than the sum of its proper divisors (70609899403).

203440402101 is an equidigital number, since it uses as much as digits as its factorization.

203440402101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699108011.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 203440402101 its reverse (101204044302), we get a palindrome (304644446403).

The spelling of 203440402101 in words is "two hundred three billion, four hundred forty million, four hundred two thousand, one hundred one".