1223131311030 has 128 divisors (see below), whose sum is σ = 3058037452800. Its totient is φ = 312840630144.

The previous prime is 1223131311023. The next prime is 1223131311091. The reversal of 1223131311030 is 301131313221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1223131310988 and 1223131311006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73590061 + ... + 73606679.

It is an arithmetic number, because the mean of its divisors is an integer number (23890917600).

Almost surely, 2^{1223131311030} is an apocalyptic number.

1223131311030 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 1223131311030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1529018726400).

1223131311030 is an abundant number, since it is smaller than the sum of its proper divisors (1834906141770).

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

1223131311030 is a wasteful number, since it uses less digits than its factorization.

1223131311030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17698.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1223131311030 its reverse (301131313221), we get a palindrome (1524262624251).

The spelling of 1223131311030 in words is "one trillion, two hundred twenty-three billion, one hundred thirty-one million, three hundred eleven thousand, thirty".