2031222203213 has 4 divisors (see below), whose sum is σ = 2321396803680. Its totient is φ = 1741047602748.

The previous prime is 2031222203209. The next prime is 2031222203233. The reversal of 2031222203213 is 3123022221302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2031222203213 - 2² = 2031222203209 is a prime.

It is a super-4 number, since 4×2031222203213⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031222203233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145087300223 + ... + 145087300236.

It is an arithmetic number, because the mean of its divisors is an integer number (580349200920).

Almost surely, 2^{2031222203213} is an apocalyptic number.

It is an amenable number.

2031222203213 is a deficient number, since it is larger than the sum of its proper divisors (290174600467).

2031222203213 is an equidigital number, since it uses as much as digits as its factorization.

2031222203213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290174600466.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2031222203213 its reverse (3123022221302), we get a palindrome (5154244424515).

The spelling of 2031222203213 in words is "two trillion, thirty-one billion, two hundred twenty-two million, two hundred three thousand, two hundred thirteen".