1331323011031 has 8 divisors (see below), whose sum is σ = 1434556008704. Its totient is φ = 1228207661280.

The previous prime is 1331323010939. The next prime is 1331323011041. The reversal of 1331323011031 is 1301103231331.

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 1331323011031 - 2⁷ = 1331323010903 is a prime.

It is a super-2 number, since 2×1331323011031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1331323010993 and 1331323011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331323011041) 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, 29388471 + ... + 29433736.

It is an arithmetic number, because the mean of its divisors is an integer number (179319501088).

Almost surely, 2^{1331323011031} is an apocalyptic number.

1331323011031 is a deficient number, since it is larger than the sum of its proper divisors (103232997673).

1331323011031 is a wasteful number, since it uses less digits than its factorization.

1331323011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58823961.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1331323011031 its reverse (1301103231331), we get a palindrome (2632426242362).

The spelling of 1331323011031 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-three million, eleven thousand, thirty-one".