213131301 has 16 divisors (see below), whose sum is σ = 289248960. Its totient is φ = 139570560.

The previous prime is 213131299. The next prime is 213131309. The reversal of 213131301 is 103131312.

It is not a de Polignac number, because 213131301 - 2¹ = 213131299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213131309) 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, 42705 + ... + 47433.

It is an arithmetic number, because the mean of its divisors is an integer number (18078060).

Almost surely, 2^213131301 is an apocalyptic number.

It is an amenable number.

213131301 is a deficient number, since it is larger than the sum of its proper divisors (76117659).

213131301 is a wasteful number, since it uses less digits than its factorization.

213131301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 213131301 is about 14599.0171244505. The cubic root of 213131301 is about 597.3319506624.

Adding to 213131301 its reverse (103131312), we get a palindrome (316262613).

The spelling of 213131301 in words is "two hundred thirteen million, one hundred thirty-one thousand, three hundred one".