1331103302231 has 32 divisors (see below), whose sum is σ = 1409880268800. Its totient is φ = 1255056042240.

The previous prime is 1331103302183. The next prime is 1331103302303. The reversal of 1331103302231 is 1322033011331.

It is a cyclic number.

It is not a de Polignac number, because 1331103302231 - 2⁶ = 1331103302167 is a prime.

It is a super-2 number, since 2×1331103302231² (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 = 1331103302197 and 1331103302206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331103302531) 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, 113987765 + ... + 113999441.

It is an arithmetic number, because the mean of its divisors is an integer number (44058758400).

Almost surely, 2^{1331103302231} is an apocalyptic number.

1331103302231 is a deficient number, since it is larger than the sum of its proper divisors (78776966569).

1331103302231 is a wasteful number, since it uses less digits than its factorization.

1331103302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12399.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1331103302231 its reverse (1322033011331), we get a palindrome (2653136313562).

The spelling of 1331103302231 in words is "one trillion, three hundred thirty-one billion, one hundred three million, three hundred two thousand, two hundred thirty-one".