1003401023101 has 4 divisors (see below), whose sum is σ = 1003663628604. Its totient is φ = 1003138417600.

The previous prime is 1003401023017. The next prime is 1003401023117. The reversal of 1003401023101 is 1013201043001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 947700303001 + 55700720100 = 973499^2 + 236010^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003401023101 - 2¹⁹ = 1003400498813 is a prime.

It is a super-2 number, since 2×1003401023101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003401083101) 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, 131297020 + ... + 131304661.

It is an arithmetic number, because the mean of its divisors is an integer number (250915907151).

Almost surely, 2^{1003401023101} is an apocalyptic number.

It is an amenable number.

1003401023101 is a deficient number, since it is larger than the sum of its proper divisors (262605503).

1003401023101 is an equidigital number, since it uses as much as digits as its factorization.

1003401023101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262605502.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1003401023101 its reverse (1013201043001), we get a palindrome (2016602066102).

The spelling of 1003401023101 in words is "one trillion, three billion, four hundred one million, twenty-three thousand, one hundred one".