1220103032313 has 16 divisors (see below), whose sum is σ = 1777658112000. Its totient is φ = 738221886480.

The previous prime is 1220103032303. The next prime is 1220103032339. The reversal of 1220103032313 is 3132303010221.

It is not a de Polignac number, because 1220103032313 - 2¹³ = 1220103024121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220103032313.

It is not an unprimeable number, because it can be changed into a prime (1220103032303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30842353 + ... + 30881886.

It is an arithmetic number, because the mean of its divisors is an integer number (111103632000).

Almost surely, 2^{1220103032313} is an apocalyptic number.

It is an amenable number.

1220103032313 is a deficient number, since it is larger than the sum of its proper divisors (557555079687).

1220103032313 is a wasteful number, since it uses less digits than its factorization.

1220103032313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61724852.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1220103032313 its reverse (3132303010221), we get a palindrome (4352406042534).

The spelling of 1220103032313 in words is "one trillion, two hundred twenty billion, one hundred three million, thirty-two thousand, three hundred thirteen".