1123131101310 has 96 divisors (see below), whose sum is σ = 3000928144032. Its totient is φ = 291225818880.

The previous prime is 1123131101293. The next prime is 1123131101311. The reversal of 1123131101310 is 131011313211.

1123131101310 is a `hidden beast` number, since 1 + 12 + 31 + 311 + 0 + 1 + 310 = 666.

It is a super-2 number, since 2×1123131101310² (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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123131101311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5293897 + ... + 5501963.

It is an arithmetic number, because the mean of its divisors is an integer number (31259668167).

Almost surely, 2^{1123131101310} is an apocalyptic number.

1123131101310 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 1123131101310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1500464072016).

1123131101310 is an abundant number, since it is smaller than the sum of its proper divisors (1877797042722).

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

1123131101310 is a wasteful number, since it uses less digits than its factorization.

1123131101310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209738 (or 209735 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1123131101310 its reverse (131011313211), we get a palindrome (1254142414521).

The spelling of 1123131101310 in words is "one trillion, one hundred twenty-three billion, one hundred thirty-one million, one hundred one thousand, three hundred ten".