1321313112010 has 16 divisors (see below), whose sum is σ = 2378514253896. Its totient is φ = 528491766528.

The previous prime is 1321313111999. The next prime is 1321313112013. The reversal of 1321313112010 is 102113131231.

It can be written as a sum of positive squares in 4 ways, for example, as 1167223105161 + 154090006849 = 1080381^2 + 392543^2 .

It is a super-3 number, since 3×1321313112010³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1321313112013) 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, 4018707 + ... + 4335046.

Almost surely, 2^{1321313112010} is an apocalyptic number.

1321313112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321313112010 is a deficient number, since it is larger than the sum of its proper divisors (1057201141886).

1321313112010 is a wasteful number, since it uses less digits than its factorization.

1321313112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8369577.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1321313112010 its reverse (102113131231), we get a palindrome (1423426243241).

The spelling of 1321313112010 in words is "one trillion, three hundred twenty-one billion, three hundred thirteen million, one hundred twelve thousand, ten".