213431202422 has 24 divisors (see below), whose sum is σ = 326992613472. Its totient is φ = 104471048000.

The previous prime is 213431202389. The next prime is 213431202427. The reversal of 213431202422 is 224202134312.

It is a junction number, because it is equal to n+sod(n) for n = 213431202391 and 213431202400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213431202427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1533347 + ... + 1666737.

It is an arithmetic number, because the mean of its divisors is an integer number (13624692228).

Almost surely, 2^213431202422 is an apocalyptic number.

213431202422 is a deficient number, since it is larger than the sum of its proper divisors (113561411050).

213431202422 is a wasteful number, since it uses less digits than its factorization.

213431202422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133672 (or 133583 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 213431202422 its reverse (224202134312), we get a palindrome (437633336734).

The spelling of 213431202422 in words is "two hundred thirteen billion, four hundred thirty-one million, two hundred two thousand, four hundred twenty-two".