1230011132331 has 16 divisors (see below), whose sum is σ = 1644017760000. Its totient is φ = 818007397728.

The previous prime is 1230011132299. The next prime is 1230011132369. The reversal of 1230011132331 is 1332311100321.

It is a happy number.

It is not a de Polignac number, because 1230011132331 - 2⁵ = 1230011132299 is a prime.

It is a super-2 number, since 2×1230011132331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230011132298 and 1230011132307.

It is not an unprimeable number, because it can be changed into a prime (1230011132381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3278650 + ... + 3634496.

It is an arithmetic number, because the mean of its divisors is an integer number (102751110000).

Almost surely, 2^{1230011132331} is an apocalyptic number.

1230011132331 is a deficient number, since it is larger than the sum of its proper divisors (414006627669).

1230011132331 is a wasteful number, since it uses less digits than its factorization.

1230011132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358658.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1230011132331 its reverse (1332311100321), we get a palindrome (2562322232652).

The spelling of 1230011132331 in words is "one trillion, two hundred thirty billion, eleven million, one hundred thirty-two thousand, three hundred thirty-one".