1013101000203 has 4 divisors (see below), whose sum is σ = 1350801333608. Its totient is φ = 675400666800.

The previous prime is 1013101000199. The next prime is 1013101000207. The reversal of 1013101000203 is 3020001013101.

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

It is an interprime number because it is at equal distance from previous prime (1013101000199) and next prime (1013101000207).

It is not a de Polignac number, because 1013101000203 - 2² = 1013101000199 is a prime.

It is a super-2 number, since 2×1013101000203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013101000207) 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, 168850166698 + ... + 168850166703.

It is an arithmetic number, because the mean of its divisors is an integer number (337700333402).

Almost surely, 2^{1013101000203} is an apocalyptic number.

1013101000203 is a deficient number, since it is larger than the sum of its proper divisors (337700333405).

1013101000203 is an equidigital number, since it uses as much as digits as its factorization.

1013101000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337700333404.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 1013101000203 its reverse (3020001013101), we get a palindrome (4033102013304).

The spelling of 1013101000203 in words is "one trillion, thirteen billion, one hundred one million, two hundred three", and thus it is an aban number.