213201302131 has 16 divisors (see below), whose sum is σ = 227679550560. Its totient is φ = 199282890240.

The previous prime is 213201302117. The next prime is 213201302147. The reversal of 213201302131 is 131203102312.

It is a cyclic number.

It is not a de Polignac number, because 213201302131 - 2¹³ = 213201293939 is a prime.

It is a super-2 number, since 2×213201302131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213201302099 and 213201302108.

It is not an unprimeable number, because it can be changed into a prime (213201302101) 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, 615600 + ... + 897421.

It is an arithmetic number, because the mean of its divisors is an integer number (14229971910).

Almost surely, 2^213201302131 is an apocalyptic number.

213201302131 is a deficient number, since it is larger than the sum of its proper divisors (14478248429).

213201302131 is a wasteful number, since it uses less digits than its factorization.

213201302131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513206.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213201302131 its reverse (131203102312), we get a palindrome (344404404443).

The spelling of 213201302131 in words is "two hundred thirteen billion, two hundred one million, three hundred two thousand, one hundred thirty-one".