20101313312003 has 8 divisors (see below), whose sum is σ = 25061377635840. Its totient is φ = 15663361022280.

The previous prime is 20101313311939. The next prime is 20101313312009. The reversal of 20101313312003 is 30021331310102.

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 20101313312003 - 2⁶ = 20101313311939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20101313312009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130528008443 + ... + 130528008596.

It is an arithmetic number, because the mean of its divisors is an integer number (3132672204480).

Almost surely, 2^{20101313312003} is an apocalyptic number.

20101313312003 is a deficient number, since it is larger than the sum of its proper divisors (4960064323837).

20101313312003 is a wasteful number, since it uses less digits than its factorization.

20101313312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261056017057.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20101313312003 its reverse (30021331310102), we get a palindrome (50122644622105).

The spelling of 20101313312003 in words is "twenty trillion, one hundred one billion, three hundred thirteen million, three hundred twelve thousand, three".