1331002133 has 4 divisors (see below), whose sum is σ = 1331117088. Its totient is φ = 1330887180.

The previous prime is 1331002129. The next prime is 1331002201. The reversal of 1331002133 is 3312001331.

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.

It is a cyclic number.

It is not a de Polignac number, because 1331002133 - 2² = 1331002129 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 (1331004133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37883 + ... + 64008.

It is an arithmetic number, because the mean of its divisors is an integer number (332779272).

Almost surely, 2^1331002133 is an apocalyptic number.

It is an amenable number.

1331002133 is a deficient number, since it is larger than the sum of its proper divisors (114955).

1331002133 is a wasteful number, since it uses less digits than its factorization.

1331002133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114954.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1331002133 is about 36482.9019267930. The cubic root of 1331002133 is about 1100.0005876030. Note that the first 3 decimals are identical.

Adding to 1331002133 its reverse (3312001331), we get a palindrome (4643003464).

The spelling of 1331002133 in words is "one billion, three hundred thirty-one million, two thousand, one hundred thirty-three".