2231530455013 has 4 divisors (see below), whose sum is σ = 2231648438220. Its totient is φ = 2231412471808.

The previous prime is 2231530454953. The next prime is 2231530455017. The reversal of 2231530455013 is 3105540351322.

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 975555240804 + 1255975214209 = 987702^2 + 1120703^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231530455013 - 2¹⁷ = 2231530323941 is a prime.

It is a super-3 number, since 3×2231530455013³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231530455013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231530455017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58963228 + ... + 59001061.

It is an arithmetic number, because the mean of its divisors is an integer number (557912109555).

Almost surely, 2^{2231530455013} is an apocalyptic number.

It is an amenable number.

2231530455013 is a deficient number, since it is larger than the sum of its proper divisors (117983207).

2231530455013 is a wasteful number, since it uses less digits than its factorization.

2231530455013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117983206.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 2231530455013 in words is "two trillion, two hundred thirty-one billion, five hundred thirty million, four hundred fifty-five thousand, thirteen".