131333223320 has 64 divisors (see below), whose sum is σ = 319379699520. Its totient is φ = 48317151744.

The previous prime is 131333223317. The next prime is 131333223337. The reversal of 131333223320 is 23322333131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 131333223320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311852 + ... + 599931.

It is an arithmetic number, because the mean of its divisors is an integer number (4990307805).

Almost surely, 2^131333223320 is an apocalyptic number.

131333223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131333223320 is an abundant number, since it is smaller than the sum of its proper divisors (188046476200).

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

131333223320 is a wasteful number, since it uses less digits than its factorization.

131333223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912084 (or 912080 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 131333223320 its reverse (23322333131), we get a palindrome (154655556451).

The spelling of 131333223320 in words is "one hundred thirty-one billion, three hundred thirty-three million, two hundred twenty-three thousand, three hundred twenty".