10313021000 has 32 divisors (see below), whose sum is σ = 24132471480. Its totient is φ = 4125208000.

The previous prime is 10313020957. The next prime is 10313021009. The reversal of 10313021000 is 12031301.

It can be written as a sum of positive squares in 4 ways, for example, as 6820447396 + 3492573604 = 82586^2 + 59098^2 .

It is not an unprimeable number, because it can be changed into a prime (10313021009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5155511 + ... + 5157510.

Almost surely, 2^10313021000 is an apocalyptic number.

10313021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10313021000 is an abundant number, since it is smaller than the sum of its proper divisors (13819450480).

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

10313021000 is a wasteful number, since it uses less digits than its factorization.

10313021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10313042 (or 10313028 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 10313021000 its reverse (12031301), we get a palindrome (10325052301).

The spelling of 10313021000 in words is "ten billion, three hundred thirteen million, twenty-one thousand".