213202032131 has 16 divisors (see below), whose sum is σ = 232865031168. Its totient is φ = 193586042400.

The previous prime is 213202032097. The next prime is 213202032137. The reversal of 213202032131 is 131230202312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213202032131 is a prime.

It is a super-2 number, since 2×213202032131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213202032137) 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, 44535320 + ... + 44540106.

It is an arithmetic number, because the mean of its divisors is an integer number (14554064448).

Almost surely, 2^213202032131 is an apocalyptic number.

213202032131 is a deficient number, since it is larger than the sum of its proper divisors (19662999037).

213202032131 is a wasteful number, since it uses less digits than its factorization.

213202032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8842.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213202032131 its reverse (131230202312), we get a palindrome (344432234443).

The spelling of 213202032131 in words is "two hundred thirteen billion, two hundred two million, thirty-two thousand, one hundred thirty-one".