1331010133 has 4 divisors (see below), whose sum is σ = 1332092608. Its totient is φ = 1329927660.

The previous prime is 1331010127. The next prime is 1331010137. The reversal of 1331010133 is 3310101331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3310101331 = 17 ⋅194711843.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331010133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331010137) 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 3 ways as a sum of consecutive naturals, for example, 539391 + ... + 541852.

It is an arithmetic number, because the mean of its divisors is an integer number (333023152).

Almost surely, 2^1331010133 is an apocalyptic number.

It is an amenable number.

1331010133 is a deficient number, since it is larger than the sum of its proper divisors (1082475).

1331010133 is a wasteful number, since it uses less digits than its factorization.

1331010133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082474.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1331010133 is about 36483.0115670294. The cubic root of 1331010133 is about 1100.0027914530.

Adding to 1331010133 its reverse (3310101331), we get a palindrome (4641111464).

The spelling of 1331010133 in words is "one billion, three hundred thirty-one million, ten thousand, one hundred thirty-three".