213151543131 has 16 divisors (see below), whose sum is σ = 296578969344. Its totient is φ = 135913418784.

The previous prime is 213151543103. The next prime is 213151543141. The reversal of 213151543131 is 131345151312.

It is not a de Polignac number, because 213151543131 - 2⁶ = 213151543067 is a prime.

It is a super-2 number, since 2×213151543131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213151543141) 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, 991465 + ... + 1187141.

It is an arithmetic number, because the mean of its divisors is an integer number (18536185584).

Almost surely, 2^213151543131 is an apocalyptic number.

213151543131 is a deficient number, since it is larger than the sum of its proper divisors (83427426213).

213151543131 is a wasteful number, since it uses less digits than its factorization.

213151543131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211490.

The product of its digits is 5400, while the sum is 30.

Adding to 213151543131 its reverse (131345151312), we get a palindrome (344496694443).

The spelling of 213151543131 in words is "two hundred thirteen billion, one hundred fifty-one million, five hundred forty-three thousand, one hundred thirty-one".