2031184465913 has 2 divisors, whose sum is σ = 2031184465914. Its totient is φ = 2031184465912.

The previous prime is 2031184465787. The next prime is 2031184465931. The reversal of 2031184465913 is 3195644811302.

It is a happy number.

Together with next prime (2031184465931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1539716167609 + 491468298304 = 1240853^2 + 701048^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031184465913 - 2¹⁴ = 2031184449529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031184465993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015592232956 + 1015592232957.

It is an arithmetic number, because the mean of its divisors is an integer number (1015592232957).

Almost surely, 2^{2031184465913} is an apocalyptic number.

It is an amenable number.

2031184465913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031184465913 is an equidigital number, since it uses as much as digits as its factorization.

2031184465913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 2031184465913 in words is "two trillion, thirty-one billion, one hundred eighty-four million, four hundred sixty-five thousand, nine hundred thirteen".