31203223214 has 8 divisors (see below), whose sum is σ = 49268247240. Its totient is φ = 14780474136.

The previous prime is 31203223213. The next prime is 31203223241. The reversal of 31203223214 is 41232230213.

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

It is a super-2 number, since 2×31203223214² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31203223214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31203223213) 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, 410568689 + ... + 410568764.

It is an arithmetic number, because the mean of its divisors is an integer number (6158530905).

Almost surely, 2^31203223214 is an apocalyptic number.

31203223214 is a deficient number, since it is larger than the sum of its proper divisors (18065024026).

31203223214 is a wasteful number, since it uses less digits than its factorization.

31203223214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821137474.

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

Adding to 31203223214 its reverse (41232230213), we get a palindrome (72435453427).

The spelling of 31203223214 in words is "thirty-one billion, two hundred three million, two hundred twenty-three thousand, two hundred fourteen".