1123111130131 has 8 divisors (see below), whose sum is σ = 1141555011200. Its totient is φ = 1104668288640.

The previous prime is 1123111130111. The next prime is 1123111130143. The reversal of 1123111130131 is 1310311113211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123111130131 is a prime.

It is a super-2 number, since 2×1123111130131² (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 = 1123111130099 and 1123111130108.

It is not an unprimeable number, because it can be changed into a prime (1123111130101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2091835 + ... + 2573323.

It is an arithmetic number, because the mean of its divisors is an integer number (142694376400).

Almost surely, 2^{1123111130131} is an apocalyptic number.

1123111130131 is a deficient number, since it is larger than the sum of its proper divisors (18443881069).

1123111130131 is an equidigital number, since it uses as much as digits as its factorization.

1123111130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519789.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 1123111130131 its reverse (1310311113211), we get a palindrome (2433422243342).

The spelling of 1123111130131 in words is "one trillion, one hundred twenty-three billion, one hundred eleven million, one hundred thirty thousand, one hundred thirty-one".