1220313130331 has 8 divisors (see below), whose sum is σ = 1221733216704. Its totient is φ = 1218893797440.

The previous prime is 1220313130319. The next prime is 1220313130349. The reversal of 1220313130331 is 1330313130221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220313130331 - 2¹⁴ = 1220313113947 is a prime.

It is a super-2 number, since 2×1220313130331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220313130297 and 1220313130306.

It is not an unprimeable number, because it can be changed into a prime (1220313130931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3085646 + ... + 3458588.

It is an arithmetic number, because the mean of its divisors is an integer number (152716652088).

Almost surely, 2^{1220313130331} is an apocalyptic number.

1220313130331 is a deficient number, since it is larger than the sum of its proper divisors (1420086373).

1220313130331 is a wasteful number, since it uses less digits than its factorization.

1220313130331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376741.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1220313130331 its reverse (1330313130221), we get a palindrome (2550626260552).

The spelling of 1220313130331 in words is "one trillion, two hundred twenty billion, three hundred thirteen million, one hundred thirty thousand, three hundred thirty-one".