10033031321 has 32 divisors (see below), whose sum is σ = 11073918240. Its totient is φ = 9051750400.

The previous prime is 10033031317. The next prime is 10033031329. The reversal of 10033031321 is 12313033001.

It can be written as a sum of positive squares in 16 ways, for example, as 2216526400 + 7816504921 = 47080^2 + 88411^2 .

It is not a de Polignac number, because 10033031321 - 2² = 10033031317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10033031321.

It is not an unprimeable number, because it can be changed into a prime (10033031329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12220091 + ... + 12220911.

It is an arithmetic number, because the mean of its divisors is an integer number (346059945).

Almost surely, 2^10033031321 is an apocalyptic number.

It is an amenable number.

10033031321 is a deficient number, since it is larger than the sum of its proper divisors (1040886919).

10033031321 is a wasteful number, since it uses less digits than its factorization.

10033031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 10033031321 its reverse (12313033001), we get a palindrome (22346064322).

The spelling of 10033031321 in words is "ten billion, thirty-three million, thirty-one thousand, three hundred twenty-one".