2031331122 has 40 divisors (see below), whose sum is σ = 4819439196. Its totient is φ = 637279488.

The previous prime is 2031331103. The next prime is 2031331147. The reversal of 2031331122 is 2211331302.

2031331122 is a `hidden beast` number, since 20 + 313 + 311 + 22 = 666.

2031331122 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1865462481 + 165868641 = 43191^2 + 12879^2 .

It is a super-2 number, since 2×2031331122² = 8252612254411557768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2031331095 and 2031331104.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 366043 + ... + 371550.

Almost surely, 2^2031331122 is an apocalyptic number.

2031331122 is an abundant number, since it is smaller than the sum of its proper divisors (2788108074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031331122 is a wasteful number, since it uses less digits than its factorization.

2031331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737624 (or 737615 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2031331122 is about 45070.2909021009. The cubic root of 2031331122 is about 1266.4661139389.

Adding to 2031331122 its reverse (2211331302), we get a palindrome (4242662424).

The spelling of 2031331122 in words is "two billion, thirty-one million, three hundred thirty-one thousand, one hundred twenty-two".