1201031032311 has 24 divisors (see below), whose sum is σ = 1893041304336. Its totient is φ = 727702381440.

The previous prime is 1201031032241. The next prime is 1201031032339. The reversal of 1201031032311 is 1132301301021.

1201031032311 is a `hidden beast` number, since 1 + 2 + 0 + 10 + 310 + 32 + 311 = 666.

It is not a de Polignac number, because 1201031032311 - 2³³ = 1192441097719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201031032361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1255350 + ... + 1994483.

It is an arithmetic number, because the mean of its divisors is an integer number (78876721014).

Almost surely, 2^{1201031032311} is an apocalyptic number.

1201031032311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201031032311 is a deficient number, since it is larger than the sum of its proper divisors (692010272025).

1201031032311 is a wasteful number, since it uses less digits than its factorization.

1201031032311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253583 (or 3253580 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1201031032311 its reverse (1132301301021), we get a palindrome (2333332333332).

The spelling of 1201031032311 in words is "one trillion, two hundred one billion, thirty-one million, thirty-two thousand, three hundred eleven".