1123140112031 has 16 divisors (see below), whose sum is σ = 1318473905664. Its totient is φ = 936535263264.

The previous prime is 1123140112001. The next prime is 1123140112033. The reversal of 1123140112031 is 1302110413211.

It is not a de Polignac number, because 1123140112031 - 2⁶ = 1123140111967 is a prime.

It is a super-2 number, since 2×1123140112031² (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 = 1123140111994 and 1123140112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123140112033) 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, 1467686 + ... + 2097708.

It is an arithmetic number, because the mean of its divisors is an integer number (82404619104).

Almost surely, 2^{1123140112031} is an apocalyptic number.

1123140112031 is a deficient number, since it is larger than the sum of its proper divisors (195333793633).

1123140112031 is an equidigital number, since it uses as much as digits as its factorization.

1123140112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636950.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1123140112031 its reverse (1302110413211), we get a palindrome (2425250525242).

The spelling of 1123140112031 in words is "one trillion, one hundred twenty-three billion, one hundred forty million, one hundred twelve thousand, thirty-one".