1320131003 has 8 divisors (see below), whose sum is σ = 1352501568. Its totient is φ = 1287836424.

The previous prime is 1320130993. The next prime is 1320131009. The reversal of 1320131003 is 3001310231.

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 1320131003 - 2¹⁸ = 1319868859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320131009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17000 + ... + 54122.

It is an arithmetic number, because the mean of its divisors is an integer number (169062696).

Almost surely, 2^1320131003 is an apocalyptic number.

1320131003 is a deficient number, since it is larger than the sum of its proper divisors (32370565).

1320131003 is an equidigital number, since it uses as much as digits as its factorization.

1320131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37993.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1320131003 is about 36333.6070738923. The cubic root of 1320131003 is about 1096.9975984837.

Adding to 1320131003 its reverse (3001310231), we get a palindrome (4321441234).

The spelling of 1320131003 in words is "one billion, three hundred twenty million, one hundred thirty-one thousand, three".