1013111023003 has 4 divisors (see below), whose sum is σ = 1072705789080. Its totient is φ = 953516256928.

The previous prime is 1013111022967. The next prime is 1013111023009. The reversal of 1013111023003 is 3003201113101.

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

It is a de Polignac number, because none of the positive numbers 2^k-1013111023003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013111023009) 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, 29797383013 + ... + 29797383046.

It is an arithmetic number, because the mean of its divisors is an integer number (268176447270).

Almost surely, 2^{1013111023003} is an apocalyptic number.

1013111023003 is a deficient number, since it is larger than the sum of its proper divisors (59594766077).

1013111023003 is an equidigital number, since it uses as much as digits as its factorization.

1013111023003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59594766076.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1013111023003 its reverse (3003201113101), we get a palindrome (4016312136104).

The spelling of 1013111023003 in words is "one trillion, thirteen billion, one hundred eleven million, twenty-three thousand, three".