2231230313 has 16 divisors (see below), whose sum is σ = 2428211856. Its totient is φ = 2037934080.

The previous prime is 2231230307. The next prime is 2231230321. The reversal of 2231230313 is 3130321322.

It can be written as a sum of positive squares in 8 ways, for example, as 831572569 + 1399657744 = 28837^2 + 37412^2 .

It is not a de Polignac number, because 2231230313 - 2³⁰ = 1157488489 is a prime.

It is a super-3 number, since 3×2231230313³ (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 (2231230303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375643 + ... + 1377263.

It is an arithmetic number, because the mean of its divisors is an integer number (151763241).

Almost surely, 2^2231230313 is an apocalyptic number.

It is an amenable number.

2231230313 is a deficient number, since it is larger than the sum of its proper divisors (196981543).

2231230313 is a wasteful number, since it uses less digits than its factorization.

2231230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2231230313 is about 47235.9006794620. The cubic root of 2231230313 is about 1306.7167773354.

Adding to 2231230313 its reverse (3130321322), we get a palindrome (5361551635).

It can be divided in two parts, 22312 and 30313, that added together give a palindrome (52625).

The spelling of 2231230313 in words is "two billion, two hundred thirty-one million, two hundred thirty thousand, three hundred thirteen".