213022302131 has 8 divisors (see below), whose sum is σ = 213556434000. Its totient is φ = 212488293600.

The previous prime is 213022302089. The next prime is 213022302137. The reversal of 213022302131 is 131203220312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213022302131 is a prime.

It is a super-2 number, since 2×213022302131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213022302137) 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, 4122845 + ... + 4174193.

It is an arithmetic number, because the mean of its divisors is an integer number (26694554250).

Almost surely, 2^213022302131 is an apocalyptic number.

213022302131 is a deficient number, since it is larger than the sum of its proper divisors (534131869).

213022302131 is an equidigital number, since it uses as much as digits as its factorization.

213022302131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61669.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213022302131 its reverse (131203220312), we get a palindrome (344225522443).

The spelling of 213022302131 in words is "two hundred thirteen billion, twenty-two million, three hundred two thousand, one hundred thirty-one".