213460621311 has 16 divisors (see below), whose sum is σ = 328151856384. Its totient is φ = 120898049664.

The previous prime is 213460621289. The next prime is 213460621313. The reversal of 213460621311 is 113126064312.

It is not a de Polignac number, because 213460621311 - 2¹⁰ = 213460620287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213460621313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44974581 + ... + 44979326.

It is an arithmetic number, because the mean of its divisors is an integer number (20509491024).

Almost surely, 2^213460621311 is an apocalyptic number.

213460621311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213460621311 is a deficient number, since it is larger than the sum of its proper divisors (114691235073).

213460621311 is a wasteful number, since it uses less digits than its factorization.

213460621311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89954030.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 213460621311 its reverse (113126064312), we get a palindrome (326586685623).

The spelling of 213460621311 in words is "two hundred thirteen billion, four hundred sixty million, six hundred twenty-one thousand, three hundred eleven".