31223003201 has 16 divisors (see below), whose sum is σ = 33746383104. Its totient is φ = 28717144704.

The previous prime is 31223003173. The next prime is 31223003237. The reversal of 31223003201 is 10230032213.

It is a cyclic number.

It is not a de Polignac number, because 31223003201 - 2¹⁰ = 31223002177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31223003201.

It is not an unprimeable number, because it can be changed into a prime (31223003501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7264085 + ... + 7268381.

It is an arithmetic number, because the mean of its divisors is an integer number (2109148944).

Almost surely, 2^31223003201 is an apocalyptic number.

It is an amenable number.

31223003201 is a deficient number, since it is larger than the sum of its proper divisors (2523379903).

31223003201 is a wasteful number, since it uses less digits than its factorization.

31223003201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31223003201 its reverse (10230032213), we get a palindrome (41453035414).

The spelling of 31223003201 in words is "thirty-one billion, two hundred twenty-three million, three thousand, two hundred one".