1101232011031 has 4 divisors (see below), whose sum is σ = 1101503455072. Its totient is φ = 1100960566992.

The previous prime is 1101232010933. The next prime is 1101232011043. The reversal of 1101232011031 is 1301102321011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101232011031 - 2¹⁹ = 1101231486743 is a prime.

It is a super-2 number, since 2×1101232011031² (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 = 1101232010996 and 1101232011014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101232011071) 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 3 ways as a sum of consecutive naturals, for example, 135715935 + ... + 135724048.

It is an arithmetic number, because the mean of its divisors is an integer number (275375863768).

Almost surely, 2^{1101232011031} is an apocalyptic number.

1101232011031 is a deficient number, since it is larger than the sum of its proper divisors (271444041).

1101232011031 is an equidigital number, since it uses as much as digits as its factorization.

1101232011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271444040.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1101232011031 its reverse (1301102321011), we get a palindrome (2402334332042).

The spelling of 1101232011031 in words is "one trillion, one hundred one billion, two hundred thirty-two million, eleven thousand, thirty-one".