210231021131300 has 36 divisors (see below), whose sum is σ = 491293724769876. Its totient is φ = 77623761648000.

The previous prime is 210231021131293. The next prime is 210231021131303. The reversal of 210231021131300 is 3131120132012.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 41123259958564 + 169107761172736 = 6412742^2 + 13004144^2 .

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

It is not an unprimeable number, because it can be changed into a prime (210231021131303) 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, 80858083751 + ... + 80858086350.

Almost surely, 2^{210231021131300} is an apocalyptic number.

210231021131300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210231021131300 is an abundant number, since it is smaller than the sum of its proper divisors (281062703638576).

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

210231021131300 is a wasteful number, since it uses less digits than its factorization.

210231021131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161716170128 (or 161716170121 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 210231021131300 its reverse (3131120132012), we get a palindrome (213362141263312).

The spelling of 210231021131300 in words is "two hundred ten trillion, two hundred thirty-one billion, twenty-one million, one hundred thirty-one thousand, three hundred".