131032230220 has 24 divisors (see below), whose sum is σ = 275174576208. Its totient is φ = 52411579200.

The previous prime is 131032230193. The next prime is 131032230221. The reversal of 131032230220 is 22032230131.

It is not an unprimeable number, because it can be changed into a prime (131032230221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323855 + ... + 1419385.

It is an arithmetic number, because the mean of its divisors is an integer number (11465607342).

Almost surely, 2^131032230220 is an apocalyptic number.

131032230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131032230220 is an abundant number, since it is smaller than the sum of its proper divisors (144142345988).

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

131032230220 is a wasteful number, since it uses less digits than its factorization.

131032230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164121 (or 164119 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 131032230220 its reverse (22032230131), we get a palindrome (153064460351).

The spelling of 131032230220 in words is "one hundred thirty-one billion, thirty-two million, two hundred thirty thousand, two hundred twenty".