31123223310304 has 24 divisors (see below), whose sum is σ = 61419389495688. Its totient is φ = 15524648200320.

The previous prime is 31123223310293. The next prime is 31123223310397. The reversal of 31123223310304 is 40301332232113.

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, 1155094282 + ... + 1155121225.

It is an arithmetic number, because the mean of its divisors is an integer number (2559141228987).

Almost surely, 2^{31123223310304} is an apocalyptic number.

It is an amenable number.

31123223310304 is a deficient number, since it is larger than the sum of its proper divisors (30296166185384).

31123223310304 is a wasteful number, since it uses less digits than its factorization.

31123223310304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310215938 (or 2310215930 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 31123223310304 its reverse (40301332232113), we get a palindrome (71424555542417).

The spelling of 31123223310304 in words is "thirty-one trillion, one hundred twenty-three billion, two hundred twenty-three million, three hundred ten thousand, three hundred four".