200112101031 has 32 divisors (see below), whose sum is σ = 278342877888. Its totient is φ = 127773158400.

The previous prime is 200112101029. The next prime is 200112101039. The reversal of 200112101031 is 130101211002.

It is not a de Polignac number, because 200112101031 - 2¹ = 200112101029 is a prime.

It is a super-2 number, since 2×200112101031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200112100998 and 200112101016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200112101039) 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, 1887915 + ... + 1991091.

It is an arithmetic number, because the mean of its divisors is an integer number (8698214934).

Almost surely, 2^200112101031 is an apocalyptic number.

200112101031 is a deficient number, since it is larger than the sum of its proper divisors (78230776857).

200112101031 is a wasteful number, since it uses less digits than its factorization.

200112101031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103491.

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

Adding to 200112101031 its reverse (130101211002), we get a palindrome (330213312033).

The spelling of 200112101031 in words is "two hundred billion, one hundred twelve million, one hundred one thousand, thirty-one".