1331204535707 has 4 divisors (see below), whose sum is σ = 1374146617536. Its totient is φ = 1288262453880.

The previous prime is 1331204535701. The next prime is 1331204535733. The reversal of 1331204535707 is 7075354021331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1331204535707 - 2¹² = 1331204531611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331204535701) 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, 21471040868 + ... + 21471040929.

It is an arithmetic number, because the mean of its divisors is an integer number (343536654384).

Almost surely, 2^{1331204535707} is an apocalyptic number.

1331204535707 is a deficient number, since it is larger than the sum of its proper divisors (42942081829).

1331204535707 is an equidigital number, since it uses as much as digits as its factorization.

1331204535707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42942081828.

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 1331204535707 in words is "one trillion, three hundred thirty-one billion, two hundred four million, five hundred thirty-five thousand, seven hundred seven".