1331413203 has 16 divisors (see below), whose sum is σ = 1833993216. Its totient is φ = 858268320.

The previous prime is 1331413199. The next prime is 1331413219. The reversal of 1331413203 is 3023141331.

It is not a de Polignac number, because 1331413203 - 2² = 1331413199 is a prime.

It is a super-2 number, since 2×1331413203² = 3545322234245438418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1331413203.

It is not an unprimeable number, because it can be changed into a prime (1331413273) 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, 122476 + ... + 132902.

It is an arithmetic number, because the mean of its divisors is an integer number (114624576).

Almost surely, 2^1331413203 is an apocalyptic number.

1331413203 is a deficient number, since it is larger than the sum of its proper divisors (502580013).

1331413203 is a wasteful number, since it uses less digits than its factorization.

1331413203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11834.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1331413203 is about 36488.5352268353. The cubic root of 1331413203 is about 1100.1138182502.

Adding to 1331413203 its reverse (3023141331), we get a palindrome (4354554534).

The spelling of 1331413203 in words is "one billion, three hundred thirty-one million, four hundred thirteen thousand, two hundred three".