1303231103120 has 20 divisors (see below), whose sum is σ = 3030012314940. Its totient is φ = 521292441216.

The previous prime is 1303231103117. The next prime is 1303231103143. The reversal of 1303231103120 is 213011323031.

It can be written as a sum of positive squares in 2 ways, for example, as 197772320656 + 1105458782464 = 444716^2 + 1051408^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1303231103120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1303231103092 and 1303231103101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8145194315 + ... + 8145194474.

It is an arithmetic number, because the mean of its divisors is an integer number (151500615747).

Almost surely, 2^{1303231103120} is an apocalyptic number.

1303231103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303231103120 is an abundant number, since it is smaller than the sum of its proper divisors (1726781211820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303231103120 is a wasteful number, since it uses less digits than its factorization.

1303231103120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16290388802 (or 16290388796 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1303231103120 its reverse (213011323031), we get a palindrome (1516242426151).

The spelling of 1303231103120 in words is "one trillion, three hundred three billion, two hundred thirty-one million, one hundred three thousand, one hundred twenty".