213112030131 has 64 divisors (see below), whose sum is σ = 423905879040. Its totient is φ = 102191569920.

The previous prime is 213112030067. The next prime is 213112030133. The reversal of 213112030131 is 131030211312.

213112030131 is a `hidden beast` number, since 2 + 1 + 311 + 20 + 301 + 31 = 666.

It is not a de Polignac number, because 213112030131 - 2⁶ = 213112030067 is a prime.

It is a super-2 number, since 2×213112030131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213112030133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3915550 + ... + 3969603.

It is an arithmetic number, because the mean of its divisors is an integer number (6623529360).

Almost surely, 2^213112030131 is an apocalyptic number.

213112030131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213112030131 is a deficient number, since it is larger than the sum of its proper divisors (210793848909).

213112030131 is a wasteful number, since it uses less digits than its factorization.

213112030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885193 (or 7885187 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 213112030131 its reverse (131030211312), we get a palindrome (344142241443).

The spelling of 213112030131 in words is "two hundred thirteen billion, one hundred twelve million, thirty thousand, one hundred thirty-one".