2031333513493 has 2 divisors, whose sum is σ = 2031333513494. Its totient is φ = 2031333513492.

The previous prime is 2031333513479. The next prime is 2031333513557. The reversal of 2031333513493 is 3943153331302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1869473740369 + 161859773124 = 1367287^2 + 402318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031333513493 is a prime.

It is a super-2 number, since 2×2031333513493² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031333513403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015666756746 + 1015666756747.

It is an arithmetic number, because the mean of its divisors is an integer number (1015666756747).

Almost surely, 2^{2031333513493} is an apocalyptic number.

It is an amenable number.

2031333513493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031333513493 is an equidigital number, since it uses as much as digits as its factorization.

2031333513493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 40.

Adding to 2031333513493 its reverse (3943153331302), we get a palindrome (5974486844795).

The spelling of 2031333513493 in words is "two trillion, thirty-one billion, three hundred thirty-three million, five hundred thirteen thousand, four hundred ninety-three".