31320023001002 has 8 divisors (see below), whose sum is σ = 48600035691300. Its totient is φ = 15120011103904.

The previous prime is 31320023000983. The next prime is 31320023001023. The reversal of 31320023001002 is 20010032002313.

It can be written as a sum of positive squares in 2 ways, for example, as 29225690154241 + 2094332846761 = 5406079^2 + 1447181^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270000198227 + ... + 270000198342.

Almost surely, 2^{31320023001002} is an apocalyptic number.

31320023001002 is a deficient number, since it is larger than the sum of its proper divisors (17280012690298).

31320023001002 is a wasteful number, since it uses less digits than its factorization.

31320023001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540000396600.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31320023001002 its reverse (20010032002313), we get a palindrome (51330055003315).

The spelling of 31320023001002 in words is "thirty-one trillion, three hundred twenty billion, twenty-three million, one thousand, two".