1000011001303 has 4 divisors (see below), whose sum is σ = 1000069577320. Its totient is φ = 999952425288.

The previous prime is 1000011001273. The next prime is 1000011001313. The reversal of 1000011001303 is 3031001100001.

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 1000011001303 - 2²¹ = 1000008904151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000011001303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000011001313) 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, 29262393 + ... + 29296546.

It is an arithmetic number, because the mean of its divisors is an integer number (250017394330).

Almost surely, 2^{1000011001303} is an apocalyptic number.

1000011001303 is a deficient number, since it is larger than the sum of its proper divisors (58576017).

1000011001303 is an equidigital number, since it uses as much as digits as its factorization.

1000011001303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58576016.

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 1000011001303 its reverse (3031001100001), we get a palindrome (4031012101304).

The spelling of 1000011001303 in words is "one trillion, eleven million, one thousand, three hundred three".