23131303303320 has 160 divisors (see below), whose sum is σ = 77800184233200. Its totient is φ = 6164118496512.

The previous prime is 23131303303291. The next prime is 23131303303379. The reversal of 23131303303320 is 2330330313132.

23131303303320 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 1 + 3 + 0 + 330 + 3 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2280522 + ... + 7173798.

Almost surely, 2^{23131303303320} is an apocalyptic number.

23131303303320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23131303303320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38900092116600).

23131303303320 is an abundant number, since it is smaller than the sum of its proper divisors (54668880929880).

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

23131303303320 is a wasteful number, since it uses less digits than its factorization.

23131303303320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894759 (or 4894746 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 27.

Adding to 23131303303320 its reverse (2330330313132), we get a palindrome (25461633616452).

The spelling of 23131303303320 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred three million, three hundred three thousand, three hundred twenty".