131024334340 has 12 divisors (see below), whose sum is σ = 275151102156. Its totient is φ = 52409733728.

The previous prime is 131024334269. The next prime is 131024334341. The reversal of 131024334340 is 43433420131.

It can be written as a sum of positive squares in 2 ways, for example, as 76272078276 + 54752256064 = 276174^2 + 233992^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131024334299 and 131024334308.

It is not an unprimeable number, because it can be changed into a prime (131024334341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3275608339 + ... + 3275608378.

It is an arithmetic number, because the mean of its divisors is an integer number (22929258513).

Almost surely, 2^131024334340 is an apocalyptic number.

131024334340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131024334340 is an abundant number, since it is smaller than the sum of its proper divisors (144126767816).

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

131024334340 is a wasteful number, since it uses less digits than its factorization.

131024334340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551216726 (or 6551216724 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 131024334340 its reverse (43433420131), we get a palindrome (174457754471).

The spelling of 131024334340 in words is "one hundred thirty-one billion, twenty-four million, three hundred thirty-four thousand, three hundred forty".