131211133322100 has 72 divisors (see below), whose sum is σ = 408840433891680. Its totient is φ = 32298125124480.

The previous prime is 131211133322033. The next prime is 131211133322117. The reversal of 131211133322100 is 1223331112131.

It is a congruent number.

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, 16821936270 + ... + 16821944069.

Almost surely, 2^{131211133322100} is an apocalyptic number.

131211133322100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131211133322100 is an abundant number, since it is smaller than the sum of its proper divisors (277629300569580).

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

131211133322100 is a wasteful number, since it uses less digits than its factorization.

131211133322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33643880369 (or 33643880362 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 131211133322100 its reverse (1223331112131), we get a palindrome (132434464434231).

The spelling of 131211133322100 in words is "one hundred thirty-one trillion, two hundred eleven billion, one hundred thirty-three million, three hundred twenty-two thousand, one hundred".