31223220310003 has 8 divisors (see below), whose sum is σ = 32866599901520. Its totient is φ = 29579845939200.

The previous prime is 31223220309997. The next prime is 31223220310031. The reversal of 31223220310003 is 30001302232213.

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

It is not a de Polignac number, because 31223220310003 - 2²⁵ = 31223186755571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31223220316003) 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, 19363603 + ... + 20914003.

It is an arithmetic number, because the mean of its divisors is an integer number (4108324987690).

Almost surely, 2^{31223220310003} is an apocalyptic number.

31223220310003 is a deficient number, since it is larger than the sum of its proper divisors (1643379591517).

31223220310003 is a wasteful number, since it uses less digits than its factorization.

31223220310003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610357.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31223220310003 its reverse (30001302232213), we get a palindrome (61224522542216).

The spelling of 31223220310003 in words is "thirty-one trillion, two hundred twenty-three billion, two hundred twenty million, three hundred ten thousand, three".