20101323130031 has 8 divisors (see below), whose sum is σ = 23615540460624. Its totient is φ = 16868243185920.

The previous prime is 20101323130027. The next prime is 20101323130117. The reversal of 20101323130031 is 13003132310102.

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 20101323130031 - 2² = 20101323130027 is a prime.

It is a super-2 number, since 2×20101323130031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20101323129985 and 20101323130012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101323130331) 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, 70284346466 + ... + 70284346751.

It is an arithmetic number, because the mean of its divisors is an integer number (2951942557578).

Almost surely, 2^{20101323130031} is an apocalyptic number.

20101323130031 is a deficient number, since it is larger than the sum of its proper divisors (3514217330593).

20101323130031 is a wasteful number, since it uses less digits than its factorization.

20101323130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140568693241.

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

Adding to 20101323130031 its reverse (13003132310102), we get a palindrome (33104455440133).

The spelling of 20101323130031 in words is "twenty trillion, one hundred one billion, three hundred twenty-three million, one hundred thirty thousand, thirty-one".