1331322030031 has 4 divisors (see below), whose sum is σ = 1521510891472. Its totient is φ = 1141133168592.

The previous prime is 1331322030001. The next prime is 1331322030043. The reversal of 1331322030031 is 1300302231331.

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 1331322030031 - 2¹³ = 1331322021839 is a prime.

It is a super-2 number, since 2×1331322030031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331322029984 and 1331322030011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331322030001) 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, 95094430710 + ... + 95094430723.

It is an arithmetic number, because the mean of its divisors is an integer number (380377722868).

Almost surely, 2^{1331322030031} is an apocalyptic number.

1331322030031 is a deficient number, since it is larger than the sum of its proper divisors (190188861441).

1331322030031 is an equidigital number, since it uses as much as digits as its factorization.

1331322030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190188861440.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1331322030031 its reverse (1300302231331), we get a palindrome (2631624261362).

The spelling of 1331322030031 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-two million, thirty thousand, thirty-one".