1120031011031 has 4 divisors (see below), whose sum is σ = 1120035031464. Its totient is φ = 1120026990600.

The previous prime is 1120031010979. The next prime is 1120031011117. The reversal of 1120031011031 is 1301101300211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120031011031 is a prime.

It is a super-2 number, since 2×1120031011031² (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 = 1120031010997 and 1120031011015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120031311031) 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, 1558505 + ... + 2160786.

It is an arithmetic number, because the mean of its divisors is an integer number (280008757866).

Almost surely, 2^{1120031011031} is an apocalyptic number.

1120031011031 is a deficient number, since it is larger than the sum of its proper divisors (4020433).

1120031011031 is an equidigital number, since it uses as much as digits as its factorization.

1120031011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020432.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1120031011031 its reverse (1301101300211), we get a palindrome (2421132311242).

The spelling of 1120031011031 in words is "one trillion, one hundred twenty billion, thirty-one million, eleven thousand, thirty-one".