131351123500 has 48 divisors (see below), whose sum is σ = 287683905600. Its totient is φ = 52391539200.

The previous prime is 131351123467. The next prime is 131351123537. The reversal of 131351123500 is 5321153131.

131351123500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195600 + ... + 548599.

It is an arithmetic number, because the mean of its divisors is an integer number (5993414700).

Almost surely, 2^131351123500 is an apocalyptic number.

131351123500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131351123500 is an abundant number, since it is smaller than the sum of its proper divisors (156332782100).

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

131351123500 is a wasteful number, since it uses less digits than its factorization.

131351123500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744571 (or 744559 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 131351123500 its reverse (5321153131), we get a palindrome (136672276631).

The spelling of 131351123500 in words is "one hundred thirty-one billion, three hundred fifty-one million, one hundred twenty-three thousand, five hundred".