2231030513 has 4 divisors (see below), whose sum is σ = 2362267620. Its totient is φ = 2099793408.

The previous prime is 2231030449. The next prime is 2231030519. The reversal of 2231030513 is 3150301322.

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 1455575104 + 775455409 = 38152^2 + 27847^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231030513 - 2⁶ = 2231030449 is a prime.

It is a super-3 number, since 3×2231030513³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231030519) 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, 65618528 + ... + 65618561.

It is an arithmetic number, because the mean of its divisors is an integer number (590566905).

Almost surely, 2^2231030513 is an apocalyptic number.

It is an amenable number.

2231030513 is a deficient number, since it is larger than the sum of its proper divisors (131237107).

2231030513 is a wasteful number, since it uses less digits than its factorization.

2231030513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131237106.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2231030513 is about 47233.7857153119. The cubic root of 2231030513 is about 1306.6777719783.

Adding to 2231030513 its reverse (3150301322), we get a palindrome (5381331835).

The spelling of 2231030513 in words is "two billion, two hundred thirty-one million, thirty thousand, five hundred thirteen".