1130123031011 has 32 divisors (see below), whose sum is σ = 1305074429568. Its totient is φ = 970285409280.

The previous prime is 1130123030987. The next prime is 1130123031049. The reversal of 1130123031011 is 1101303210311.

It is a cyclic number.

It is not a de Polignac number, because 1130123031011 - 2³⁸ = 855245124067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1130123081011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19009745 + ... + 19069101.

It is an arithmetic number, because the mean of its divisors is an integer number (40783575924).

Almost surely, 2^{1130123031011} is an apocalyptic number.

1130123031011 is a deficient number, since it is larger than the sum of its proper divisors (174951398557).

1130123031011 is a wasteful number, since it uses less digits than its factorization.

1130123031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61151.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1130123031011 its reverse (1101303210311), we get a palindrome (2231426241322).

The spelling of 1130123031011 in words is "one trillion, one hundred thirty billion, one hundred twenty-three million, thirty-one thousand, eleven".