213032230313131 has 4 divisors (see below), whose sum is σ = 213032263709592. Its totient is φ = 213032196916672.

The previous prime is 213032230313053. The next prime is 213032230313237. The reversal of 213032230313131 is 131313032230312.

It is a happy number.

213032230313131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213032230313131 - 2¹¹ = 213032230311083 is a prime.

It is a super-2 number, since 2×213032230313131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213032230313131.

It is not an unprimeable number, because it can be changed into a prime (213032230313431) 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, 3818341 + ... + 20991526.

It is an arithmetic number, because the mean of its divisors is an integer number (53258065927398).

Almost surely, 2^{213032230313131} is an apocalyptic number.

213032230313131 is a deficient number, since it is larger than the sum of its proper divisors (33396461).

213032230313131 is an equidigital number, since it uses as much as digits as its factorization.

213032230313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33396460.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 213032230313131 its reverse (131313032230312), we get a palindrome (344345262543443).

The spelling of 213032230313131 in words is "two hundred thirteen trillion, thirty-two billion, two hundred thirty million, three hundred thirteen thousand, one hundred thirty-one".