1320203202331 has 8 divisors (see below), whose sum is σ = 1421766570224. Its totient is φ = 1218641159520.

The previous prime is 1320203202293. The next prime is 1320203202343. The reversal of 1320203202331 is 1332023020231.

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 1320203202331 - 2²⁷ = 1320068984603 is a prime.

It is a super-2 number, since 2×1320203202331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320203202391) 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, 2919685 + ... + 3341401.

It is an arithmetic number, because the mean of its divisors is an integer number (177720821278).

Almost surely, 2^{1320203202331} is an apocalyptic number.

1320203202331 is a deficient number, since it is larger than the sum of its proper divisors (101563367893).

1320203202331 is a wasteful number, since it uses less digits than its factorization.

1320203202331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662541.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1320203202331 its reverse (1332023020231), we get a palindrome (2652226222562).

The spelling of 1320203202331 in words is "one trillion, three hundred twenty billion, two hundred three million, two hundred two thousand, three hundred thirty-one".