20201103030031 has 64 divisors (see below), whose sum is σ = 26975720217600. Its totient is φ = 14775811966080.

The previous prime is 20201103030019. The next prime is 20201103030061. The reversal of 20201103030031 is 13003030110202.

It is not a de Polignac number, because 20201103030031 - 2²¹ = 20201100932879 is a prime.

It is a super-2 number, since 2×20201103030031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20201103029987 and 20201103030014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201103030001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18772041 + ... + 19818973.

It is an arithmetic number, because the mean of its divisors is an integer number (421495628400).

Almost surely, 2^{20201103030031} is an apocalyptic number.

20201103030031 is a deficient number, since it is larger than the sum of its proper divisors (6774617187569).

20201103030031 is a wasteful number, since it uses less digits than its factorization.

20201103030031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047101 (or 1047079 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20201103030031 its reverse (13003030110202), we get a palindrome (33204133140233).

The spelling of 20201103030031 in words is "twenty trillion, two hundred one billion, one hundred three million, thirty thousand, thirty-one".