213024300431 has 4 divisors (see below), whose sum is σ = 213114912864. Its totient is φ = 212933688000.

The previous prime is 213024300427. The next prime is 213024300439. The reversal of 213024300431 is 134003420312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213024300431 - 2² = 213024300427 is a prime.

It is a super-2 number, since 2×213024300431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213024300397 and 213024300406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213024300439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45302690 + ... + 45307391.

It is an arithmetic number, because the mean of its divisors is an integer number (53278728216).

Almost surely, 2^213024300431 is an apocalyptic number.

213024300431 is a deficient number, since it is larger than the sum of its proper divisors (90612433).

213024300431 is an equidigital number, since it uses as much as digits as its factorization.

213024300431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90612432.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213024300431 its reverse (134003420312), we get a palindrome (347027720743).

The spelling of 213024300431 in words is "two hundred thirteen billion, twenty-four million, three hundred thousand, four hundred thirty-one".