31023200002 has 8 divisors (see below), whose sum is σ = 47095460496. Its totient is φ = 15324713172.

The previous prime is 31023199969. The next prime is 31023200099. The reversal of 31023200002 is 20000232013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 93443208 + ... + 93443539.

It is an arithmetic number, because the mean of its divisors is an integer number (5886932562).

Almost surely, 2^31023200002 is an apocalyptic number.

31023200002 is a deficient number, since it is larger than the sum of its proper divisors (16072260494).

31023200002 is a wasteful number, since it uses less digits than its factorization.

31023200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186886832.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 31023200002 its reverse (20000232013), we get a palindrome (51023432015).

The spelling of 31023200002 in words is "thirty-one billion, twenty-three million, two hundred thousand, two".