1213312010313 has 32 divisors (see below), whose sum is σ = 1762113830400. Its totient is φ = 738118757376.

The previous prime is 1213312010221. The next prime is 1213312010341. The reversal of 1213312010313 is 3130102133121.

It is a happy number.

It is not a de Polignac number, because 1213312010313 - 2²¹ = 1213309913161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213312010313.

It is not an unprimeable number, because it can be changed into a prime (1213312090313) 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, 19124781 + ... + 19188117.

It is an arithmetic number, because the mean of its divisors is an integer number (55066057200).

Almost surely, 2^{1213312010313} is an apocalyptic number.

1213312010313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1213312010313 is a deficient number, since it is larger than the sum of its proper divisors (548801820087).

1213312010313 is a wasteful number, since it uses less digits than its factorization.

1213312010313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68961.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1213312010313 its reverse (3130102133121), we get a palindrome (4343414143434).

The spelling of 1213312010313 in words is "one trillion, two hundred thirteen billion, three hundred twelve million, ten thousand, three hundred thirteen".