2031215113 has 2 divisors, whose sum is σ = 2031215114. Its totient is φ = 2031215112.

The previous prime is 2031215107. The next prime is 2031215117. The reversal of 2031215113 is 3115121302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1929669184 + 101545929 = 43928^2 + 10077^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031215113 - 2¹³ = 2031206921 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031215117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015607556 + 1015607557.

It is an arithmetic number, because the mean of its divisors is an integer number (1015607557).

Almost surely, 2^2031215113 is an apocalyptic number.

It is an amenable number.

2031215113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031215113 is an equidigital number, since it uses as much as digits as its factorization.

2031215113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2031215113 is about 45069.0039051231. The cubic root of 2031215113 is about 1266.4420042533.

Adding to 2031215113 its reverse (3115121302), we get a palindrome (5146336415).

The spelling of 2031215113 in words is "two billion, thirty-one million, two hundred fifteen thousand, one hundred thirteen".