131430201100 has 144 divisors (see below), whose sum is σ = 340794125280. Its totient is φ = 43430195200.

The previous prime is 131430201059. The next prime is 131430201107. The reversal of 131430201100 is 1102034131.

It is a super-2 number, since 2×131430201100² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131430201107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 421122 + ... + 663478.

It is an arithmetic number, because the mean of its divisors is an integer number (2366625870).

Almost surely, 2^131430201100 is an apocalyptic number.

131430201100 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 131430201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170397062640).

131430201100 is an abundant number, since it is smaller than the sum of its proper divisors (209363924180).

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

131430201100 is a wasteful number, since it uses less digits than its factorization.

131430201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242428 (or 242421 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131430201100 its reverse (1102034131), we get a palindrome (132532235231).

The spelling of 131430201100 in words is "one hundred thirty-one billion, four hundred thirty million, two hundred one thousand, one hundred".