2031123113 has 16 divisors (see below), whose sum is σ = 2079000000. Its totient is φ = 1983984192.

The previous prime is 2031123091. The next prime is 2031123121. The reversal of 2031123113 is 3113211302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031123113 is a prime.

It is a super-2 number, since 2×2031123113² = 8250922200325621538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2031123091 and 2031123100.

It is not an unprimeable number, because it can be changed into a prime (2031123163) 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, 4070138 + ... + 4070636.

It is an arithmetic number, because the mean of its divisors is an integer number (129937500).

Almost surely, 2^2031123113 is an apocalyptic number.

It is an amenable number.

2031123113 is a deficient number, since it is larger than the sum of its proper divisors (47876887).

2031123113 is a wasteful number, since it uses less digits than its factorization.

2031123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2031123113 is about 45067.9832364396. The cubic root of 2031123113 is about 1266.4228836092.

Adding to 2031123113 its reverse (3113211302), we get a palindrome (5144334415).

The spelling of 2031123113 in words is "two billion, thirty-one million, one hundred twenty-three thousand, one hundred thirteen".