213131052022 has 32 divisors (see below), whose sum is σ = 379016709120. Its totient is φ = 87985984320.

The previous prime is 213131052007. The next prime is 213131052023. The reversal of 213131052022 is 220250131312.

It is a junction number, because it is equal to n+sod(n) for n = 213131051984 and 213131052002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213131052023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2304708 + ... + 2395399.

It is an arithmetic number, because the mean of its divisors is an integer number (11844272160).

Almost surely, 2^213131052022 is an apocalyptic number.

213131052022 is a deficient number, since it is larger than the sum of its proper divisors (165885657098).

213131052022 is a wasteful number, since it uses less digits than its factorization.

213131052022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700236.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 213131052022 its reverse (220250131312), we get a palindrome (433381183334).

The spelling of 213131052022 in words is "two hundred thirteen billion, one hundred thirty-one million, fifty-two thousand, twenty-two".