131331533554140 has 96 divisors (see below), whose sum is σ = 370375012788480. Its totient is φ = 34770127620096.

The previous prime is 131331533554069. The next prime is 131331533554181. The reversal of 131331533554140 is 41455335133131.

It is a super-2 number, since 2×131331533554140² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131331533554092 and 131331533554101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2171596 + ... + 16351724.

It is an arithmetic number, because the mean of its divisors is an integer number (3858073049880).

Almost surely, 2^{131331533554140} is an apocalyptic number.

131331533554140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131331533554140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185187506394240).

131331533554140 is an abundant number, since it is smaller than the sum of its proper divisors (239043479234340).

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

131331533554140 is a wasteful number, since it uses less digits than its factorization.

131331533554140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14181251 (or 14181249 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 42.

Adding to 131331533554140 its reverse (41455335133131), we get a palindrome (172786868687271).

The spelling of 131331533554140 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, five hundred thirty-three million, five hundred fifty-four thousand, one hundred forty".