131130203202 has 48 divisors (see below), whose sum is σ = 292589860992. Its totient is φ = 42412753440.

The previous prime is 131130203177. The next prime is 131130203231. The reversal of 131130203202 is 202302031131.

131130203202 is a `hidden beast` number, since 1 + 311 + 30 + 2 + 0 + 320 + 2 = 666.

It is a super-2 number, since 2×131130203202² (a number of 23 digits) contains 22 as substring.

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

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, 23824 + ... + 512667.

It is an arithmetic number, because the mean of its divisors is an integer number (6095622104).

Almost surely, 2^131130203202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131130203202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146294930496).

131130203202 is an abundant number, since it is smaller than the sum of its proper divisors (161459657790).

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

131130203202 is a wasteful number, since it uses less digits than its factorization.

131130203202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536903 (or 536900 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 131130203202 its reverse (202302031131), we get a palindrome (333432234333).

The spelling of 131130203202 in words is "one hundred thirty-one billion, one hundred thirty million, two hundred three thousand, two hundred two".