1331320210019 has 8 divisors (see below), whose sum is σ = 1335990954480. Its totient is φ = 1326650330016.

The previous prime is 1331320209991. The next prime is 1331320210081. The reversal of 1331320210019 is 9100120231331.

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-1331320210019 is a prime.

It is a super-2 number, since 2×1331320210019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331320210019.

It is not an unprimeable number, because it can be changed into a prime (1331320260019) 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, 2950604 + ... + 3371750.

It is an arithmetic number, because the mean of its divisors is an integer number (166998869310).

Almost surely, 2^{1331320210019} is an apocalyptic number.

1331320210019 is a deficient number, since it is larger than the sum of its proper divisors (4670744461).

1331320210019 is a wasteful number, since it uses less digits than its factorization.

1331320210019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432229.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 1331320210019 in words is "one trillion, three hundred thirty-one billion, three hundred twenty million, two hundred ten thousand, nineteen".