131112211320 has 48 divisors (see below), whose sum is σ = 426114687960. Its totient is φ = 34963256256.

The previous prime is 131112211313. The next prime is 131112211403. The reversal of 131112211320 is 23112211131.

131112211320 is a `hidden beast` number, since 1 + 311 + 1 + 22 + 11 + 320 = 666.

131112211320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131112211320² (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 a junction number, because it is equal to n+sod(n) for n = 131112211293 and 131112211302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182099934 + ... + 182100653.

Almost surely, 2^131112211320 is an apocalyptic number.

131112211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131112211320 is an abundant number, since it is smaller than the sum of its proper divisors (295002476640).

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

131112211320 is a wasteful number, since it uses less digits than its factorization.

131112211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364200604 (or 364200597 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 131112211320 its reverse (23112211131), we get a palindrome (154224422451).

The spelling of 131112211320 in words is "one hundred thirty-one billion, one hundred twelve million, two hundred eleven thousand, three hundred twenty".