1331201334 has 8 divisors (see below), whose sum is σ = 2662402680. Its totient is φ = 443733776.

The previous prime is 1331201329. The next prime is 1331201357. The reversal of 1331201334 is 4331021331.

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

1331201334 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331201334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110933439 + ... + 110933450.

It is an arithmetic number, because the mean of its divisors is an integer number (332800335).

Almost surely, 2^1331201334 is an apocalyptic number.

1331201334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331201334 is a wasteful number, since it uses less digits than its factorization.

1331201334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221866894.

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

The square root of 1331201334 is about 36485.6318843459. The cubic root of 1331201334 is about 1100.0554611155.

Adding to 1331201334 its reverse (4331021331), we get a palindrome (5662222665).

The spelling of 1331201334 in words is "one billion, three hundred thirty-one million, two hundred one thousand, three hundred thirty-four".