213232130031 has 16 divisors (see below), whose sum is σ = 284704358400. Its totient is φ = 141957454368.

The previous prime is 213232130021. The next prime is 213232130047. The reversal of 213232130031 is 130031232312.

It is not a de Polignac number, because 213232130031 - 2⁶ = 213232129967 is a prime.

It is a super-2 number, since 2×213232130031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213232130021) 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, 7515490 + ... + 7543808.

It is an arithmetic number, because the mean of its divisors is an integer number (17794022400).

Almost surely, 2^213232130031 is an apocalyptic number.

213232130031 is a deficient number, since it is larger than the sum of its proper divisors (71472228369).

213232130031 is a wasteful number, since it uses less digits than its factorization.

213232130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31718.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213232130031 its reverse (130031232312), we get a palindrome (343263362343).

The spelling of 213232130031 in words is "two hundred thirteen billion, two hundred thirty-two million, one hundred thirty thousand, thirty-one".