1331020303123 has 8 divisors (see below), whose sum is σ = 1521502414848. Its totient is φ = 1140622279944.

The previous prime is 1331020303087. The next prime is 1331020303127. The reversal of 1331020303123 is 3213030201331.

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

It is not a de Polignac number, because 1331020303123 - 2²¹ = 1331018205971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331020303094 and 1331020303103.

It is not an unprimeable number, because it can be changed into a prime (1331020303127) 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 7 ways as a sum of consecutive naturals, for example, 20988211 + ... + 21051532.

It is an arithmetic number, because the mean of its divisors is an integer number (190187801856).

Almost surely, 2^{1331020303123} is an apocalyptic number.

1331020303123 is a deficient number, since it is larger than the sum of its proper divisors (190482111725).

1331020303123 is an equidigital number, since it uses as much as digits as its factorization.

1331020303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42044273.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1331020303123 its reverse (3213030201331), we get a palindrome (4544050504454).

The spelling of 1331020303123 in words is "one trillion, three hundred thirty-one billion, twenty million, three hundred three thousand, one hundred twenty-three".