1331343101 has 8 divisors (see below), whose sum is σ = 1456688064. Its totient is φ = 1206717120.

The previous prime is 1331343089. The next prime is 1331343119. The reversal of 1331343101 is 1013431331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331343101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331343001) 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, 175865 + ... + 183278.

It is an arithmetic number, because the mean of its divisors is an integer number (182086008).

Almost surely, 2^1331343101 is an apocalyptic number.

1331343101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1331343101 is a deficient number, since it is larger than the sum of its proper divisors (125344963).

1331343101 is a wasteful number, since it uses less digits than its factorization.

1331343101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359491.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1331343101 is about 36487.5746110919. The cubic root of 1331343101 is about 1100.0945100614.

Adding to 1331343101 its reverse (1013431331), we get a palindrome (2344774432).

The spelling of 1331343101 in words is "one billion, three hundred thirty-one million, three hundred forty-three thousand, one hundred one".