1331103023031 has 32 divisors (see below), whose sum is σ = 1821176856576. Its totient is φ = 864290336000.

The previous prime is 1331103023027. The next prime is 1331103023053. The reversal of 1331103023031 is 1303203011331.

It is a cyclic number.

It is not a de Polignac number, because 1331103023031 - 2² = 1331103023027 is a prime.

It is a super-2 number, since 2×1331103023031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1331103022989 and 1331103023007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331103023071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301084201 + ... + 301088621.

It is an arithmetic number, because the mean of its divisors is an integer number (56911776768).

Almost surely, 2^{1331103023031} is an apocalyptic number.

1331103023031 is a deficient number, since it is larger than the sum of its proper divisors (490073833545).

1331103023031 is a wasteful number, since it uses less digits than its factorization.

1331103023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8063.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1331103023031 its reverse (1303203011331), we get a palindrome (2634306034362).

The spelling of 1331103023031 in words is "one trillion, three hundred thirty-one billion, one hundred three million, twenty-three thousand, thirty-one".