31816148002 has 8 divisors (see below), whose sum is σ = 47746312812. Its totient is φ = 15900710400.

The previous prime is 31816147997. The next prime is 31816148069. The reversal of 31816148002 is 20084161813.

It can be written as a sum of positive squares in 2 ways, for example, as 28193432281 + 3622715721 = 167909^2 + 60189^2 .

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, 3676399 + ... + 3685042.

Almost surely, 2^31816148002 is an apocalyptic number.

31816148002 is a deficient number, since it is larger than the sum of its proper divisors (15930164810).

31816148002 is a wasteful number, since it uses less digits than its factorization.

31816148002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7363604.

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 31816148002 in words is "thirty-one billion, eight hundred sixteen million, one hundred forty-eight thousand, two".