213231010431 has 8 divisors (see below), whose sum is σ = 296669232000. Its totient is φ = 135973397912.

The previous prime is 213231010417. The next prime is 213231010451. The reversal of 213231010431 is 134010132312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213231010431 - 2⁹ = 213231009919 is a prime.

It is a super-2 number, since 2×213231010431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213231010398 and 213231010407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213231010451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545152181 + ... + 1545152318.

It is an arithmetic number, because the mean of its divisors is an integer number (37083654000).

Almost surely, 2^213231010431 is an apocalyptic number.

213231010431 is a deficient number, since it is larger than the sum of its proper divisors (83438221569).

213231010431 is a wasteful number, since it uses less digits than its factorization.

213231010431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090304525.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213231010431 its reverse (134010132312), we get a palindrome (347241142743).

The spelling of 213231010431 in words is "two hundred thirteen billion, two hundred thirty-one million, ten thousand, four hundred thirty-one".