213134344131 has 16 divisors (see below), whose sum is σ = 289779160320. Its totient is φ = 139316863200.

The previous prime is 213134344109. The next prime is 213134344151. The reversal of 213134344131 is 131443431312.

It is not a de Polignac number, because 213134344131 - 2³⁰ = 212060602307 is a prime.

It is a super-2 number, since 2×213134344131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213134344151) 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, 3383421 + ... + 3445838.

It is an arithmetic number, because the mean of its divisors is an integer number (18111197520).

Almost surely, 2^213134344131 is an apocalyptic number.

213134344131 is a deficient number, since it is larger than the sum of its proper divisors (76644816189).

213134344131 is a wasteful number, since it uses less digits than its factorization.

213134344131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6829466.

The product of its digits is 10368, while the sum is 30.

Adding to 213134344131 its reverse (131443431312), we get a palindrome (344577775443).

The spelling of 213134344131 in words is "two hundred thirteen billion, one hundred thirty-four million, three hundred forty-four thousand, one hundred thirty-one".