213220214031 has 16 divisors (see below), whose sum is σ = 310149630720. Its totient is φ = 129219731520.

The previous prime is 213220213991. The next prime is 213220214033. The reversal of 213220214031 is 130412022312.

It is not a de Polignac number, because 213220214031 - 2³⁷ = 75781260559 is a prime.

It is a super-2 number, since 2×213220214031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213220213989 and 213220214007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213220214033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968011 + ... + 1167683.

It is an arithmetic number, because the mean of its divisors is an integer number (19384351920).

Almost surely, 2^213220214031 is an apocalyptic number.

213220214031 is a deficient number, since it is larger than the sum of its proper divisors (96929416689).

213220214031 is a wasteful number, since it uses less digits than its factorization.

213220214031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232046.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 213220214031 its reverse (130412022312), we get a palindrome (343632236343).

The spelling of 213220214031 in words is "two hundred thirteen billion, two hundred twenty million, two hundred fourteen thousand, thirty-one".