20112010223031 has 12 divisors (see below), whose sum is σ = 29259679143240. Its totient is φ = 13311546333840.

The previous prime is 20112010223021. The next prime is 20112010223077. The reversal of 20112010223031 is 13032201021102.

20112010223031 is a `hidden beast` number, since 201 + 1 + 201 + 0 + 2 + 230 + 31 = 666.

It is not a de Polignac number, because 20112010223031 - 2²⁹ = 20111473352119 is a prime.

It is a super-2 number, since 2×20112010223031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20112010222995 and 20112010223013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112010223021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8038372140 + ... + 8038374641.

It is an arithmetic number, because the mean of its divisors is an integer number (2438306595270).

Almost surely, 2^{20112010223031} is an apocalyptic number.

20112010223031 is a deficient number, since it is larger than the sum of its proper divisors (9147668920209).

20112010223031 is a wasteful number, since it uses less digits than its factorization.

20112010223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16076746926 (or 16076746923 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20112010223031 its reverse (13032201021102), we get a palindrome (33144211244133).

The spelling of 20112010223031 in words is "twenty trillion, one hundred twelve billion, ten million, two hundred twenty-three thousand, thirty-one".