2231253016513 has 4 divisors (see below), whose sum is σ = 2231260454788. Its totient is φ = 2231245578240.

The previous prime is 2231253016477. The next prime is 2231253016523. The reversal of 2231253016513 is 3156103521322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 509927384464 + 1721325632049 = 714092^2 + 1311993^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231253016513 - 2²⁵ = 2231219462081 is a prime.

It is a super-3 number, since 3×2231253016513³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231253016523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3249408 + ... + 3875713.

It is an arithmetic number, because the mean of its divisors is an integer number (557815113697).

Almost surely, 2^{2231253016513} is an apocalyptic number.

It is an amenable number.

2231253016513 is a deficient number, since it is larger than the sum of its proper divisors (7438275).

2231253016513 is an equidigital number, since it uses as much as digits as its factorization.

2231253016513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7438274.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 2231253016513 its reverse (3156103521322), we get a palindrome (5387356537835).

The spelling of 2231253016513 in words is "two trillion, two hundred thirty-one billion, two hundred fifty-three million, sixteen thousand, five hundred thirteen".