213352348531 has 4 divisors (see below), whose sum is σ = 243831255472. Its totient is φ = 182873441592.

The previous prime is 213352348507. The next prime is 213352348603. The reversal of 213352348531 is 135843253312.

It is a happy number.

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 213352348531 - 2¹¹ = 213352346483 is a prime.

It is a super-2 number, since 2×213352348531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213352388531) 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, 15239453460 + ... + 15239453473.

It is an arithmetic number, because the mean of its divisors is an integer number (60957813868).

Almost surely, 2^213352348531 is an apocalyptic number.

213352348531 is a deficient number, since it is larger than the sum of its proper divisors (30478906941).

213352348531 is an equidigital number, since it uses as much as digits as its factorization.

213352348531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30478906940.

The product of its digits is 259200, while the sum is 40.

The spelling of 213352348531 in words is "two hundred thirteen billion, three hundred fifty-two million, three hundred forty-eight thousand, five hundred thirty-one".