1130000031123 has 4 divisors (see below), whose sum is σ = 1506666708168. Its totient is φ = 753333354080.

The previous prime is 1130000031103. The next prime is 1130000031133. The reversal of 1130000031123 is 3211300000311.

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 1130000031123 - 2¹⁴ = 1130000014739 is a prime.

It is a super-2 number, since 2×1130000031123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1130000031103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188333338518 + ... + 188333338523.

It is an arithmetic number, because the mean of its divisors is an integer number (376666677042).

Almost surely, 2^{1130000031123} is an apocalyptic number.

1130000031123 is a deficient number, since it is larger than the sum of its proper divisors (376666677045).

1130000031123 is an equidigital number, since it uses as much as digits as its factorization.

1130000031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376666677044.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1130000031123 its reverse (3211300000311), we get a palindrome (4341300031434).

The spelling of 1130000031123 in words is "one trillion, one hundred thirty billion, thirty-one thousand, one hundred twenty-three".