20212043201031 has 32 divisors (see below), whose sum is σ = 29580827731200. Its totient is φ = 12174107155200.

The previous prime is 20212043200991. The next prime is 20212043201047. The reversal of 20212043201031 is 13010234021202.

It is not a de Polignac number, because 20212043201031 - 2¹⁸ = 20212042938887 is a prime.

It is a super-2 number, since 2×20212043201031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20212043200989 and 20212043201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212043201071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185784691 + ... + 185893451.

It is an arithmetic number, because the mean of its divisors is an integer number (924400866600).

Almost surely, 2^{20212043201031} is an apocalyptic number.

20212043201031 is a deficient number, since it is larger than the sum of its proper divisors (9368784530169).

20212043201031 is a wasteful number, since it uses less digits than its factorization.

20212043201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143487.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20212043201031 its reverse (13010234021202), we get a palindrome (33222277222233).

The spelling of 20212043201031 in words is "twenty trillion, two hundred twelve billion, forty-three million, two hundred one thousand, thirty-one".