31201002002 has 8 divisors (see below), whose sum is σ = 47115607500. Its totient is φ = 15495799504.

The previous prime is 31201001983. The next prime is 31201002023. The reversal of 31201002002 is 20020010213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31053840841 + 147161161 = 176221^2 + 12131^2 .

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, 52350377 + ... + 52350972.

Almost surely, 2^31201002002 is an apocalyptic number.

31201002002 is a deficient number, since it is larger than the sum of its proper divisors (15914605498).

31201002002 is a wasteful number, since it uses less digits than its factorization.

31201002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104701500.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 31201002002 its reverse (20020010213), we get a palindrome (51221012215).

The spelling of 31201002002 in words is "thirty-one billion, two hundred one million, two thousand, two".