1020342001003 has 8 divisors (see below), whose sum is σ = 1098847638000. Its totient is φ = 941838905568.

The previous prime is 1020342000991. The next prime is 1020342001013. The reversal of 1020342001003 is 3001002430201.

It is a happy number.

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 1020342001003 - 2⁵ = 1020342000971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020342001013) 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, 243453 + ... + 1449121.

It is an arithmetic number, because the mean of its divisors is an integer number (137355954750).

Almost surely, 2^{1020342001003} is an apocalyptic number.

1020342001003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1020342001003 is a deficient number, since it is larger than the sum of its proper divisors (78505636997).

1020342001003 is a wasteful number, since it uses less digits than its factorization.

1020342001003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270781.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1020342001003 its reverse (3001002430201), we get a palindrome (4021344431204).

The spelling of 1020342001003 in words is "one trillion, twenty billion, three hundred forty-two million, one thousand, three".