2031113230513 has 2 divisors, whose sum is σ = 2031113230514. Its totient is φ = 2031113230512.

The previous prime is 2031113230507. The next prime is 2031113230541. The reversal of 2031113230513 is 3150323111302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1932355768464 + 98757462049 = 1390092^2 + 314257^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031113230513 - 2²¹ = 2031111133361 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031113230583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015556615256 + 1015556615257.

It is an arithmetic number, because the mean of its divisors is an integer number (1015556615257).

Almost surely, 2^{2031113230513} is an apocalyptic number.

It is an amenable number.

2031113230513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031113230513 is an equidigital number, since it uses as much as digits as its factorization.

2031113230513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 2031113230513 its reverse (3150323111302), we get a palindrome (5181436341815).

The spelling of 2031113230513 in words is "two trillion, thirty-one billion, one hundred thirteen million, two hundred thirty thousand, five hundred thirteen".