1123511351031 has 12 divisors (see below), whose sum is σ = 1622874703008. Its totient is φ = 748996041024.

The previous prime is 1123511351021. The next prime is 1123511351059. The reversal of 1123511351031 is 1301531153211.

1123511351031 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 5 + 113 + 510 + 31 = 666.

It is not a de Polignac number, because 1123511351031 - 2⁷ = 1123511350903 is a prime.

It is a super-2 number, since 2×1123511351031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123511350986 and 1123511351004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123511351021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320770 + ... + 1532943.

It is an arithmetic number, because the mean of its divisors is an integer number (135239558584).

Almost surely, 2^{1123511351031} is an apocalyptic number.

1123511351031 is a deficient number, since it is larger than the sum of its proper divisors (499363351977).

1123511351031 is a wasteful number, since it uses less digits than its factorization.

1123511351031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921062 (or 1921059 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The spelling of 1123511351031 in words is "one trillion, one hundred twenty-three billion, five hundred eleven million, three hundred fifty-one thousand, thirty-one".