31223200133003 has 4 divisors (see below), whose sum is σ = 31509651510480. Its totient is φ = 30936748755528.

The previous prime is 31223200132997. The next prime is 31223200133113. The reversal of 31223200133003 is 30033100232213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31223200133003 - 2¹⁰ = 31223200131979 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 31223200133003.

It is not an unprimeable number, because it can be changed into a prime (31223200433003) 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, 143225688575 + ... + 143225688792.

It is an arithmetic number, because the mean of its divisors is an integer number (7877412877620).

Almost surely, 2^{31223200133003} is an apocalyptic number.

31223200133003 is a deficient number, since it is larger than the sum of its proper divisors (286451377477).

31223200133003 is a wasteful number, since it uses less digits than its factorization.

31223200133003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286451377476.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31223200133003 its reverse (30033100232213), we get a palindrome (61256300365216).

The spelling of 31223200133003 in words is "thirty-one trillion, two hundred twenty-three billion, two hundred million, one hundred thirty-three thousand, three".