31233243223402 has 16 divisors (see below), whose sum is σ = 51109513215552. Its totient is φ = 14196770471520.

The previous prime is 31233243223397. The next prime is 31233243223421. The reversal of 31233243223402 is 20432234233213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5883438 + ... + 9852985.

It is an arithmetic number, because the mean of its divisors is an integer number (3194344575972).

Almost surely, 2^{31233243223402} is an apocalyptic number.

31233243223402 is a deficient number, since it is larger than the sum of its proper divisors (19876269992150).

31233243223402 is a wasteful number, since it uses less digits than its factorization.

31233243223402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15826653.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 31233243223402 its reverse (20432234233213), we get a palindrome (51665477456615).

The spelling of 31233243223402 in words is "thirty-one trillion, two hundred thirty-three billion, two hundred forty-three million, two hundred twenty-three thousand, four hundred two".