213201112310131 has 16 divisors (see below), whose sum is σ = 233633371668480. Its totient is φ = 192943964445120.

The previous prime is 213201112310117. The next prime is 213201112310143. The reversal of 213201112310131 is 131013211102312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213201112310131 is a prime.

It is a super-2 number, since 2×213201112310131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213201112310171) 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, 77360046 + ... + 80068588.

It is an arithmetic number, because the mean of its divisors is an integer number (14602085729280).

Almost surely, 2^{213201112310131} is an apocalyptic number.

213201112310131 is a deficient number, since it is larger than the sum of its proper divisors (20432259358349).

213201112310131 is a wasteful number, since it uses less digits than its factorization.

213201112310131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740866.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 213201112310131 its reverse (131013211102312), we get a palindrome (344214323412443).

The spelling of 213201112310131 in words is "two hundred thirteen trillion, two hundred one billion, one hundred twelve million, three hundred ten thousand, one hundred thirty-one".