2031020113 has 2 divisors, whose sum is σ = 2031020114. Its totient is φ = 2031020112.

The previous prime is 2031020093. The next prime is 2031020119. The reversal of 2031020113 is 3110201302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2029322304 + 1697809 = 45048^2 + 1303^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031020113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031020093 and 2031020102.

It is not a weakly prime, because it can be changed into another prime (2031020119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015510056 + 1015510057.

It is an arithmetic number, because the mean of its divisors is an integer number (1015510057).

Almost surely, 2^2031020113 is an apocalyptic number.

It is an amenable number.

2031020113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031020113 is an equidigital number, since it uses as much as digits as its factorization.

2031020113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2031020113 is about 45066.8405038560. The cubic root of 2031020113 is about 1266.4014761161.

Adding to 2031020113 its reverse (3110201302), we get a palindrome (5141221415).

The spelling of 2031020113 in words is "two billion, thirty-one million, twenty thousand, one hundred thirteen".