1112020031 has 16 divisors (see below), whose sum is σ = 1233828288. Its totient is φ = 996864000.

The previous prime is 1112019991. The next prime is 1112020043. The reversal of 1112020031 is 1300202111.

It is a cyclic number.

It is not a de Polignac number, because 1112020031 - 2⁶ = 1112019967 is a prime.

It is a super-3 number, since 3×1112020031³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112019994 and 1112020021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112022031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88331 + ... + 100131.

It is an arithmetic number, because the mean of its divisors is an integer number (77114268).

Almost surely, 2^1112020031 is an apocalyptic number.

1112020031 is a deficient number, since it is larger than the sum of its proper divisors (121808257).

1112020031 is a wasteful number, since it uses less digits than its factorization.

1112020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12082.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1112020031 is about 33346.9643445996. The cubic root of 1112020031 is about 1036.0265142188.

Adding to 1112020031 its reverse (1300202111), we get a palindrome (2412222142).

The spelling of 1112020031 in words is "one billion, one hundred twelve million, twenty thousand, thirty-one".