231032233131313 has 4 divisors (see below), whose sum is σ = 231032836837108. Its totient is φ = 231031629425520.

The previous prime is 231032233131307. The next prime is 231032233131317. The reversal of 231032233131313 is 313131332230132.

It is a happy number.

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 89125815778609 + 141906417352704 = 9440647^2 + 11912448^2 .

It is a cyclic number.

It is not a de Polignac number, because 231032233131313 - 2⁵ = 231032233131281 is a prime.

It is a super-3 number, since 3×231032233131313³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231032233131317) 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, 301278498 + ... + 302044363.

It is an arithmetic number, because the mean of its divisors is an integer number (57758209209277).

Almost surely, 2^{231032233131313} is an apocalyptic number.

It is an amenable number.

231032233131313 is a deficient number, since it is larger than the sum of its proper divisors (603705795).

231032233131313 is an equidigital number, since it uses as much as digits as its factorization.

231032233131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603705794.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 231032233131313 its reverse (313131332230132), we get a palindrome (544163565361445).

The spelling of 231032233131313 in words is "two hundred thirty-one trillion, thirty-two billion, two hundred thirty-three million, one hundred thirty-one thousand, three hundred thirteen".