131321010203100 has 108 divisors (see below), whose sum is σ = 412941943617840. Its totient is φ = 34906334899200.

The previous prime is 131321010203099. The next prime is 131321010203161. The reversal of 131321010203100 is 1302010123131.

131321010203100 is a `hidden beast` number, since 1 + 3 + 1 + 321 + 0 + 10 + 20 + 310 + 0 = 666.

It is a super-2 number, since 2×131321010203100² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 234305685 + ... + 234865484.

It is an arithmetic number, because the mean of its divisors is an integer number (3823536514980).

Almost surely, 2^{131321010203100} is an apocalyptic number.

131321010203100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131321010203100 is an abundant number, since it is smaller than the sum of its proper divisors (281620933414740).

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

131321010203100 is a wasteful number, since it uses less digits than its factorization.

131321010203100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469171500 (or 469171490 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131321010203100 its reverse (1302010123131), we get a palindrome (132623020326231).

The spelling of 131321010203100 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, ten million, two hundred three thousand, one hundred".