1321003010 has 8 divisors (see below), whose sum is σ = 2377805436. Its totient is φ = 528401200.

The previous prime is 1321003001. The next prime is 1321003049. The reversal of 1321003010 is 103001231.

It can be written as a sum of positive squares in 2 ways, for example, as 1291180489 + 29822521 = 35933^2 + 5461^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1321002982 and 1321003000.

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, 66050141 + ... + 66050160.

Almost surely, 2^1321003010 is an apocalyptic number.

1321003010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321003010 is a deficient number, since it is larger than the sum of its proper divisors (1056802426).

1321003010 is a wasteful number, since it uses less digits than its factorization.

1321003010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132100308.

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

The square root of 1321003010 is about 36345.6050988287. The cubic root of 1321003010 is about 1097.2390843757.

Adding to 1321003010 its reverse (103001231), we get a palindrome (1424004241).

The spelling of 1321003010 in words is "one billion, three hundred twenty-one million, three thousand, ten".