1331203034 has 32 divisors (see below), whose sum is σ = 2347971456. Its totient is φ = 554273280.

The previous prime is 1331203033. The next prime is 1331203051. The reversal of 1331203034 is 4303021331.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1331202997 and 1331203015.

It is not an unprimeable number, because it can be changed into a prime (1331203033) 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 15 ways as a sum of consecutive naturals, for example, 58754 + ... + 78194.

It is an arithmetic number, because the mean of its divisors is an integer number (73374108).

Almost surely, 2^1331203034 is an apocalyptic number.

1331203034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1331203034 is a deficient number, since it is larger than the sum of its proper divisors (1016768422).

1331203034 is a wasteful number, since it uses less digits than its factorization.

1331203034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19590.

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

The square root of 1331203034 is about 36485.6551811805. The cubic root of 1331203034 is about 1100.0559293876.

Adding to 1331203034 its reverse (4303021331), we get a palindrome (5634224365).

The spelling of 1331203034 in words is "one billion, three hundred thirty-one million, two hundred three thousand, thirty-four".