1223000031330 has 192 divisors, whose sum is σ = 3965030784000. Its totient is φ = 254091116160.

The previous prime is 1223000031329. The next prime is 1223000031347. The reversal of 1223000031330 is 331300003221.

1223000031330 is a `hidden beast` number, since 1 + 2 + 2 + 300 + 0 + 0 + 31 + 330 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 78294261 + ... + 78309879.

It is an arithmetic number, because the mean of its divisors is an integer number (20651202000).

Almost surely, 2^{1223000031330} is an apocalyptic number.

1223000031330 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 1223000031330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1982515392000).

1223000031330 is an abundant number, since it is smaller than the sum of its proper divisors (2742030752670).

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

1223000031330 is a wasteful number, since it uses less digits than its factorization.

1223000031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26949 (or 26946 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 1223000031330 its reverse (331300003221), we get a palindrome (1554300034551).

The spelling of 1223000031330 in words is "one trillion, two hundred twenty-three billion, thirty-one thousand, three hundred thirty".