131140123520430 has 64 divisors (see below), whose sum is σ = 317627018311680. Its totient is φ = 34649514820224.

The previous prime is 131140123520423. The next prime is 131140123520431. The reversal of 131140123520430 is 34025321041131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131140123520431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538470147 + ... + 538713633.

It is an arithmetic number, because the mean of its divisors is an integer number (4962922161120).

Almost surely, 2^{131140123520430} is an apocalyptic number.

131140123520430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131140123520430 is an abundant number, since it is smaller than the sum of its proper divisors (186486894791250).

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

131140123520430 is a wasteful number, since it uses less digits than its factorization.

131140123520430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408313.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 131140123520430 its reverse (34025321041131), we get a palindrome (165165444561561).

The spelling of 131140123520430 in words is "one hundred thirty-one trillion, one hundred forty billion, one hundred twenty-three million, five hundred twenty thousand, four hundred thirty".