31200212203 has 8 divisors (see below), whose sum is σ = 31840849040. Its totient is φ = 30564721440.

The previous prime is 31200212201. The next prime is 31200212207. The reversal of 31200212203 is 30221200213.

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

It is a cyclic number.

It is not a de Polignac number, because 31200212203 - 2¹ = 31200212201 is a prime.

It is a super-2 number, since 2×31200212203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31200212201) 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, 1274268 + ... + 1298521.

It is an arithmetic number, because the mean of its divisors is an integer number (3980106130).

Almost surely, 2^31200212203 is an apocalyptic number.

31200212203 is a deficient number, since it is larger than the sum of its proper divisors (640636837).

31200212203 is a wasteful number, since it uses less digits than its factorization.

31200212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573037.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31200212203 its reverse (30221200213), we get a palindrome (61421412416).

The spelling of 31200212203 in words is "thirty-one billion, two hundred million, two hundred twelve thousand, two hundred three".