202112031 has 16 divisors (see below), whose sum is σ = 311275008. Its totient is φ = 115286400.

The previous prime is 202112003. The next prime is 202112039. The reversal of 202112031 is 130211202.

It is not a de Polignac number, because 202112031 - 2⁶ = 202111967 is a prime.

It is a super-2 number, since 2×202112031² = 81698546149889922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202111998 and 202112016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112039) 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, 179575 + ... + 180696.

It is an arithmetic number, because the mean of its divisors is an integer number (19454688).

Almost surely, 2^202112031 is an apocalyptic number.

202112031 is a deficient number, since it is larger than the sum of its proper divisors (109162977).

202112031 is a wasteful number, since it uses less digits than its factorization.

202112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360302.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 202112031 is about 14216.6110940688. The cubic root of 202112031 is about 586.8548823970.

Adding to 202112031 its reverse (130211202), we get a palindrome (332323233).

The spelling of 202112031 in words is "two hundred two million, one hundred twelve thousand, thirty-one".