1031320002 has 8 divisors (see below), whose sum is σ = 2062640016. Its totient is φ = 343773332.

The previous prime is 1031320001. The next prime is 1031320007. The reversal of 1031320002 is 2000231301.

It is a happy number.

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

1031320002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031320002.

It is not an unprimeable number, because it can be changed into a prime (1031320001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85943328 + ... + 85943339.

It is an arithmetic number, because the mean of its divisors is an integer number (257830002).

Almost surely, 2^1031320002 is an apocalyptic number.

1031320002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031320002 is a wasteful number, since it uses less digits than its factorization.

1031320002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171886672.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1031320002 is about 32114.1713578289. The cubic root of 1031320002 is about 1010.3328648310.

Adding to 1031320002 its reverse (2000231301), we get a palindrome (3031551303).

The spelling of 1031320002 in words is "one billion, thirty-one million, three hundred twenty thousand, two".