213203223212031 has 36 divisors (see below), whose sum is σ = 338168492893296. Its totient is φ = 129354068188800.

The previous prime is 213203223212003. The next prime is 213203223212059. The reversal of 213203223212031 is 130212322302312.

213203223212031 is a `hidden beast` number, since 2 + 1 + 320 + 322 + 3 + 2 + 12 + 0 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (213203223212003) and next prime (213203223212059).

It is not a de Polignac number, because 213203223212031 - 2⁶ = 213203223211967 is a prime.

It is a super-2 number, since 2×213203223212031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213203223211986 and 213203223212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213203223216031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 987026230 + ... + 987242211.

It is an arithmetic number, because the mean of its divisors is an integer number (9393569247036).

Almost surely, 2^{213203223212031} is an apocalyptic number.

213203223212031 is a deficient number, since it is larger than the sum of its proper divisors (124965269681265).

213203223212031 is a wasteful number, since it uses less digits than its factorization.

213203223212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974268544 (or 1974268528 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 213203223212031 its reverse (130212322302312), we get a palindrome (343415545514343).

The spelling of 213203223212031 in words is "two hundred thirteen trillion, two hundred three billion, two hundred twenty-three million, two hundred twelve thousand, thirty-one".