1231032113133 has 16 divisors (see below), whose sum is σ = 1656534926592. Its totient is φ = 813142152000.

The previous prime is 1231032113123. The next prime is 1231032113153. The reversal of 1231032113133 is 3313112301321.

It is not a de Polignac number, because 1231032113133 - 2²⁸ = 1230763677677 is a prime.

It is a super-2 number, since 2×1231032113133² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231032113123) 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, 4035678 + ... + 4329983.

It is an arithmetic number, because the mean of its divisors is an integer number (103533432912).

Almost surely, 2^{1231032113133} is an apocalyptic number.

It is an amenable number.

1231032113133 is a deficient number, since it is larger than the sum of its proper divisors (425502813459).

1231032113133 is a wasteful number, since it uses less digits than its factorization.

1231032113133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8366116.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1231032113133 its reverse (3313112301321), we get a palindrome (4544144414454).

The spelling of 1231032113133 in words is "one trillion, two hundred thirty-one billion, thirty-two million, one hundred thirteen thousand, one hundred thirty-three".