1313030220032 has 18 divisors (see below), whose sum is σ = 2620931416278. Its totient is φ = 656515109888.

The previous prime is 1313030219993. The next prime is 1313030220041. The reversal of 1313030220032 is 2300220303131.

It can be written as a sum of positive squares in only one way, i.e., 809021095936 + 504009124096 = 899456^2 + 709936^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1313030219986 and 1313030220013.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2564511893 + ... + 2564512404.

Almost surely, 2^{1313030220032} is an apocalyptic number.

It is an amenable number.

1313030220032 is a deficient number, since it is larger than the sum of its proper divisors (1307901196246).

1313030220032 is an frugal number, since it uses more digits than its factorization.

1313030220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129024313 (or 5129024299 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1313030220032 its reverse (2300220303131), we get a palindrome (3613250523163).

The spelling of 1313030220032 in words is "one trillion, three hundred thirteen billion, thirty million, two hundred twenty thousand, thirty-two".