131131223032100 has 72 divisors (see below), whose sum is σ = 284944914024960. Its totient is φ = 52380577307520.

The previous prime is 131131223032049. The next prime is 131131223032133. The reversal of 131131223032100 is 1230322131131.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2363250557 + ... + 2363306043.

Almost surely, 2^{131131223032100} is an apocalyptic number.

131131223032100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131131223032100 is an abundant number, since it is smaller than the sum of its proper divisors (153813690992860).

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

131131223032100 is a wasteful number, since it uses less digits than its factorization.

131131223032100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87477 (or 87470 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 131131223032100 its reverse (1230322131131), we get a palindrome (132361545163231).

The spelling of 131131223032100 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, two hundred twenty-three million, thirty-two thousand, one hundred".