1331230131133 has 16 divisors (see below), whose sum is σ = 1523140061184. Its totient is φ = 1139754138480.

The previous prime is 1331230131113. The next prime is 1331230131157. The reversal of 1331230131133 is 3311310321331.

It is a cyclic number.

It is not a de Polignac number, because 1331230131133 - 2¹³ = 1331230122941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331230131098 and 1331230131107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331230131113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56764416 + ... + 56787862.

It is an arithmetic number, because the mean of its divisors is an integer number (95196253824).

Almost surely, 2^{1331230131133} is an apocalyptic number.

It is an amenable number.

1331230131133 is a deficient number, since it is larger than the sum of its proper divisors (191909930051).

1331230131133 is a wasteful number, since it uses less digits than its factorization.

1331230131133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32352.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 1331230131133 its reverse (3311310321331), we get a palindrome (4642540452464).

The spelling of 1331230131133 in words is "one trillion, three hundred thirty-one billion, two hundred thirty million, one hundred thirty-one thousand, one hundred thirty-three".