213013031113 has 8 divisors (see below), whose sum is σ = 219305045960. Its totient is φ = 206749169280.

The previous prime is 213013031093. The next prime is 213013031129. The reversal of 213013031113 is 311130310312.

It can be written as a sum of positive squares in 4 ways, for example, as 70964697664 + 142048333449 = 266392^2 + 376893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213013031113 - 2¹⁷ = 213012900041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213013031183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7022898 + ... + 7053163.

It is an arithmetic number, because the mean of its divisors is an integer number (27413130745).

Almost surely, 2^213013031113 is an apocalyptic number.

It is an amenable number.

213013031113 is a deficient number, since it is larger than the sum of its proper divisors (6292014847).

213013031113 is a wasteful number, since it uses less digits than its factorization.

213013031113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14076507.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 213013031113 its reverse (311130310312), we get a palindrome (524143341425).

The spelling of 213013031113 in words is "two hundred thirteen billion, thirteen million, thirty-one thousand, one hundred thirteen".