31223503533245 has 8 divisors (see below), whose sum is σ = 38676855989760. Its totient is φ = 24173034993360.

The previous prime is 31223503533197. The next prime is 31223503533247. The reversal of 31223503533245 is 54233530532213.

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

It is not a de Polignac number, because 31223503533245 - 2⁸ = 31223503532989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31223503533247) 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, 100720978985 + ... + 100720979294.

It is an arithmetic number, because the mean of its divisors is an integer number (4834606998720).

Almost surely, 2^{31223503533245} is an apocalyptic number.

It is an amenable number.

31223503533245 is a deficient number, since it is larger than the sum of its proper divisors (7453352456515).

31223503533245 is a wasteful number, since it uses less digits than its factorization.

31223503533245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201441958315.

The product of its (nonzero) digits is 972000, while the sum is 41.

The spelling of 31223503533245 in words is "thirty-one trillion, two hundred twenty-three billion, five hundred three million, five hundred thirty-three thousand, two hundred forty-five".