131021200302 has 64 divisors (see below), whose sum is σ = 266527687680. Its totient is φ = 42932736000.

The previous prime is 131021200223. The next prime is 131021200319. The reversal of 131021200302 is 203002120131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81836302 + ... + 81837902.

It is an arithmetic number, because the mean of its divisors is an integer number (4164495120).

Almost surely, 2^131021200302 is an apocalyptic number.

131021200302 is an abundant number, since it is smaller than the sum of its proper divisors (135506487378).

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

131021200302 is a wasteful number, since it uses less digits than its factorization.

131021200302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 131021200302 its reverse (203002120131), we get a palindrome (334023320433).

The spelling of 131021200302 in words is "one hundred thirty-one billion, twenty-one million, two hundred thousand, three hundred two".