131032033220 has 48 divisors (see below), whose sum is σ = 317840277888. Its totient is φ = 44845186560.

The previous prime is 131032033199. The next prime is 131032033243. The reversal of 131032033220 is 22330230131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 131032033192 and 131032033201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17513912 + ... + 17521391.

It is an arithmetic number, because the mean of its divisors is an integer number (6621672456).

Almost surely, 2^131032033220 is an apocalyptic number.

131032033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131032033220 is an abundant number, since it is smaller than the sum of its proper divisors (186808244668).

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

131032033220 is a wasteful number, since it uses less digits than its factorization.

131032033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35035340 (or 35035338 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 131032033220 its reverse (22330230131), we get a palindrome (153362263351).

The spelling of 131032033220 in words is "one hundred thirty-one billion, thirty-two million, thirty-three thousand, two hundred twenty".