1320393940231 has 8 divisors (see below), whose sum is σ = 1344340380240. Its totient is φ = 1296499729728.

The previous prime is 1320393940223. The next prime is 1320393940237. The reversal of 1320393940231 is 1320493930231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320393940231 - 2³ = 1320393940223 is a prime.

It is a super-2 number, since 2×1320393940231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320393940237) 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, 13006356 + ... + 13107481.

It is an arithmetic number, because the mean of its divisors is an integer number (168042547530).

Almost surely, 2^{1320393940231} is an apocalyptic number.

1320393940231 is a deficient number, since it is larger than the sum of its proper divisors (23946440009).

1320393940231 is an equidigital number, since it uses as much as digits as its factorization.

1320393940231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26114753.

The product of its (nonzero) digits is 104976, while the sum is 40.

The spelling of 1320393940231 in words is "one trillion, three hundred twenty billion, three hundred ninety-three million, nine hundred forty thousand, two hundred thirty-one".