31023012000223 has 4 divisors (see below), whose sum is σ = 31093041373128. Its totient is φ = 30952982627320.

The previous prime is 31023012000209. The next prime is 31023012000313. The reversal of 31023012000223 is 32200021032013.

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 31023012000223 - 2⁹ = 31023011999711 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 31023012000223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023012000203) 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, 35014685788 + ... + 35014686673.

It is an arithmetic number, because the mean of its divisors is an integer number (7773260343282).

Almost surely, 2^{31023012000223} is an apocalyptic number.

31023012000223 is a deficient number, since it is larger than the sum of its proper divisors (70029372905).

31023012000223 is an equidigital number, since it uses as much as digits as its factorization.

31023012000223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70029372904.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31023012000223 its reverse (32200021032013), we get a palindrome (63223033032236).

The spelling of 31023012000223 in words is "thirty-one trillion, twenty-three billion, twelve million, two hundred twenty-three", and thus it is an aban number.