131133231100 has 72 divisors (see below), whose sum is σ = 289699600400. Its totient is φ = 51508569600.

The previous prime is 131133231091. The next prime is 131133231137. The reversal of 131133231100 is 1132331131.

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, 3758536 + ... + 3793264.

Almost surely, 2^131133231100 is an apocalyptic number.

131133231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131133231100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144849800200).

131133231100 is an abundant number, since it is smaller than the sum of its proper divisors (158566369300).

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

131133231100 is a wasteful number, since it uses less digits than its factorization.

131133231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35423 (or 35416 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131133231100 its reverse (1132331131), we get a palindrome (132265562231).

The spelling of 131133231100 in words is "one hundred thirty-one billion, one hundred thirty-three million, two hundred thirty-one thousand, one hundred".