1123301031030 has 128 divisors (see below), whose sum is σ = 3092661411840. Its totient is φ = 289831271040.

The previous prime is 1123301030987. The next prime is 1123301031031. The reversal of 1123301031030 is 301301033211.

It is a happy number.

1123301031030 is a `hidden beast` number, since 1 + 1 + 23 + 301 + 0 + 310 + 30 = 666.

It is a super-2 number, since 2×1123301031030² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1123301030994 and 1123301031012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123301031031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69404319 + ... + 69420501.

It is an arithmetic number, because the mean of its divisors is an integer number (24161417280).

Almost surely, 2^{1123301031030} is an apocalyptic number.

1123301031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123301031030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546330705920).

1123301031030 is an abundant number, since it is smaller than the sum of its proper divisors (1969360380810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123301031030 is a wasteful number, since it uses less digits than its factorization.

1123301031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24523 (or 24517 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1123301031030 its reverse (301301033211), we get a palindrome (1424602064241).

The spelling of 1123301031030 in words is "one trillion, one hundred twenty-three billion, three hundred one million, thirty-one thousand, thirty".