232130312213 has 4 divisors (see below), whose sum is σ = 232142504460. Its totient is φ = 232118119968.

The previous prime is 232130312203. The next prime is 232130312221. The reversal of 232130312213 is 312213031232.

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 228658981489 + 3471330724 = 478183^2 + 58918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232130312213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232130312203) 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, 6067520 + ... + 6105657.

It is an arithmetic number, because the mean of its divisors is an integer number (58035626115).

Almost surely, 2^232130312213 is an apocalyptic number.

It is an amenable number.

232130312213 is a deficient number, since it is larger than the sum of its proper divisors (12192247).

232130312213 is a wasteful number, since it uses less digits than its factorization.

232130312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12192246.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 232130312213 its reverse (312213031232), we get a palindrome (544343343445).

The spelling of 232130312213 in words is "two hundred thirty-two billion, one hundred thirty million, three hundred twelve thousand, two hundred thirteen".