31323200002 has 8 divisors (see below), whose sum is σ = 47755042812. Its totient is φ = 15404852400.

The previous prime is 31323199981. The next prime is 31323200011. The reversal of 31323200002 is 20000232313.

It can be written as a sum of positive squares in 2 ways, for example, as 30043635561 + 1279564441 = 173331^2 + 35771^2 .

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

It is a super-2 number, since 2×31323200002² (a number of 22 digits) contains 22 as substring.

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, 128373649 + ... + 128373892.

Almost surely, 2^31323200002 is an apocalyptic number.

31323200002 is a deficient number, since it is larger than the sum of its proper divisors (16431842810).

31323200002 is a wasteful number, since it uses less digits than its factorization.

31323200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256747604.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 31323200002 its reverse (20000232313), we get a palindrome (51323432315).

The spelling of 31323200002 in words is "thirty-one billion, three hundred twenty-three million, two hundred thousand, two".