1123012131003 has 16 divisors (see below), whose sum is σ = 1901396200960. Its totient is φ = 641721217608.

The previous prime is 1123012130897. The next prime is 1123012131067. The reversal of 1123012131003 is 3001312103211.

1123012131003 is a `hidden beast` number, since 1 + 1 + 230 + 121 + 310 + 0 + 3 = 666.

It is not a de Polignac number, because 1123012131003 - 2²¹ = 1123010033851 is a prime.

It is a super-2 number, since 2×1123012131003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123012131403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2970931375 + ... + 2970931752.

It is an arithmetic number, because the mean of its divisors is an integer number (118837262560).

Almost surely, 2^{1123012131003} is an apocalyptic number.

1123012131003 is a deficient number, since it is larger than the sum of its proper divisors (778384069957).

1123012131003 is an equidigital number, since it uses as much as digits as its factorization.

1123012131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5941863143 (or 5941863137 counting only the distinct ones).

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

Adding to 1123012131003 its reverse (3001312103211), we get a palindrome (4124324234214).

The spelling of 1123012131003 in words is "one trillion, one hundred twenty-three billion, twelve million, one hundred thirty-one thousand, three".