1123103015031 has 8 divisors (see below), whose sum is σ = 1498477734144. Its totient is φ = 748231819640.

The previous prime is 1123103015011. The next prime is 1123103015039. The reversal of 1123103015031 is 1305103013211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123103015031 - 2⁶ = 1123103014967 is a prime.

It is a super-2 number, since 2×1123103015031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123103014989 and 1123103015007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123103015039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125875725 + ... + 125884646.

It is an arithmetic number, because the mean of its divisors is an integer number (187309716768).

Almost surely, 2^{1123103015031} is an apocalyptic number.

1123103015031 is a deficient number, since it is larger than the sum of its proper divisors (375374719113).

1123103015031 is a wasteful number, since it uses less digits than its factorization.

1123103015031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251761861.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 1123103015031 its reverse (1305103013211), we get a palindrome (2428206028242).

The spelling of 1123103015031 in words is "one trillion, one hundred twenty-three billion, one hundred three million, fifteen thousand, thirty-one".