20210031112 has 16 divisors (see below), whose sum is σ = 39888219600. Its totient is φ = 9573172560.

The previous prime is 20210031059. The next prime is 20210031113. The reversal of 20210031112 is 21113001202.

It is a super-3 number, since 3×20210031112³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20210031092 and 20210031101.

It is not an unprimeable number, because it can be changed into a prime (20210031113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66480214 + ... + 66480517.

It is an arithmetic number, because the mean of its divisors is an integer number (2493013725).

Almost surely, 2^20210031112 is an apocalyptic number.

It is an amenable number.

20210031112 is a deficient number, since it is larger than the sum of its proper divisors (19678188488).

20210031112 is a wasteful number, since it uses less digits than its factorization.

20210031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132960756 (or 132960752 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20210031112 its reverse (21113001202), we get a palindrome (41323032314).

The spelling of 20210031112 in words is "twenty billion, two hundred ten million, thirty-one thousand, one hundred twelve".