131321033300 has 36 divisors (see below), whose sum is σ = 285197280060. Its totient is φ = 52485899520.

The previous prime is 131321033269. The next prime is 131321033309. The reversal of 131321033300 is 3330123131.

It can be written as a sum of positive squares in 6 ways, for example, as 2194360336 + 129126672964 = 46844^2 + 359342^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131321033309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407105 + ... + 654504.

Almost surely, 2^131321033300 is an apocalyptic number.

131321033300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131321033300 is an abundant number, since it is smaller than the sum of its proper divisors (153876246760).

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

131321033300 is a wasteful number, since it uses less digits than its factorization.

131321033300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062860 (or 1062853 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 131321033300 its reverse (3330123131), we get a palindrome (134651156431).

The spelling of 131321033300 in words is "one hundred thirty-one billion, three hundred twenty-one million, thirty-three thousand, three hundred".