1013120321003 has 8 divisors (see below), whose sum is σ = 1158533299200. Its totient is φ = 867877718760.

The previous prime is 1013120320951. The next prime is 1013120321009. The reversal of 1013120321003 is 3001230213101.

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 1013120321003 - 2⁶ = 1013120320939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013120321009) 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, 42581243 + ... + 42605028.

It is an arithmetic number, because the mean of its divisors is an integer number (144816662400).

Almost surely, 2^{1013120321003} is an apocalyptic number.

1013120321003 is a deficient number, since it is larger than the sum of its proper divisors (145412978197).

1013120321003 is an equidigital number, since it uses as much as digits as its factorization.

1013120321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85187977.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1013120321003 its reverse (3001230213101), we get a palindrome (4014350534104).

The spelling of 1013120321003 in words is "one trillion, thirteen billion, one hundred twenty million, three hundred twenty-one thousand, three".