232031302213 has 4 divisors (see below), whose sum is σ = 232032656268. Its totient is φ = 232029948160.

The previous prime is 232031302207. The next prime is 232031302231. The reversal of 232031302213 is 312203130232.

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 169071459489 + 62959842724 = 411183^2 + 250918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232031302213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232031302253) 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, 375106 + ... + 777667.

It is an arithmetic number, because the mean of its divisors is an integer number (58008164067).

Almost surely, 2^232031302213 is an apocalyptic number.

It is an amenable number.

232031302213 is a deficient number, since it is larger than the sum of its proper divisors (1354055).

232031302213 is a wasteful number, since it uses less digits than its factorization.

232031302213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354054.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 232031302213 its reverse (312203130232), we get a palindrome (544234432445).

The spelling of 232031302213 in words is "two hundred thirty-two billion, thirty-one million, three hundred two thousand, two hundred thirteen".