131133233020 has 24 divisors (see below), whose sum is σ = 275606864064. Its totient is φ = 52410040896.

The previous prime is 131133233003. The next prime is 131133233027. The reversal of 131133233020 is 20332331131.

It is a junction number, because it is equal to n+sod(n) for n = 131133232982 and 131133233000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131133233027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678404 + ... + 2726923.

It is an arithmetic number, because the mean of its divisors is an integer number (11483619336).

Almost surely, 2^131133233020 is an apocalyptic number.

131133233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131133233020 is an abundant number, since it is smaller than the sum of its proper divisors (144473631044).

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

131133233020 is a wasteful number, since it uses less digits than its factorization.

131133233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406549 (or 5406547 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 131133233020 its reverse (20332331131), we get a palindrome (151465564151).

The spelling of 131133233020 in words is "one hundred thirty-one billion, one hundred thirty-three million, two hundred thirty-three thousand, twenty".