31223243042204 has 12 divisors (see below), whose sum is σ = 54666172620864. Its totient is φ = 15604336579104.

The previous prime is 31223243042107. The next prime is 31223243042231. The reversal of 31223243042204 is 40224034232213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1821225857 + ... + 1821243000.

It is an arithmetic number, because the mean of its divisors is an integer number (4555514385072).

Almost surely, 2^{31223243042204} is an apocalyptic number.

It is an amenable number.

31223243042204 is a deficient number, since it is larger than the sum of its proper divisors (23442929578660).

31223243042204 is a wasteful number, since it uses less digits than its factorization.

31223243042204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642471004 (or 3642471002 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 31223243042204 its reverse (40224034232213), we get a palindrome (71447277274417).

The spelling of 31223243042204 in words is "thirty-one trillion, two hundred twenty-three billion, two hundred forty-three million, forty-two thousand, two hundred four".