203020013101 has 8 divisors (see below), whose sum is σ = 203469651000. Its totient is φ = 202570702080.

The previous prime is 203020013069. The next prime is 203020013137. The reversal of 203020013101 is 101310020302.

It can be written as a sum of positive squares in 4 ways, for example, as 50530544100 + 152489469001 = 224790^2 + 390499^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 203020013101 - 2⁵ = 203020013069 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 (203020013191) 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, 1183425 + ... + 1344073.

It is an arithmetic number, because the mean of its divisors is an integer number (25433706375).

Almost surely, 2^203020013101 is an apocalyptic number.

It is an amenable number.

203020013101 is a deficient number, since it is larger than the sum of its proper divisors (449637899).

203020013101 is a wasteful number, since it uses less digits than its factorization.

203020013101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163439.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 203020013101 its reverse (101310020302), we get a palindrome (304330033403).

The spelling of 203020013101 in words is "two hundred three billion, twenty million, thirteen thousand, one hundred one".