131030538 has 16 divisors (see below), whose sum is σ = 263632320. Its totient is φ = 43414976.

The previous prime is 131030531. The next prime is 131030551. The reversal of 131030538 is 835030131.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131030531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64383 + ... + 66386.

It is an arithmetic number, because the mean of its divisors is an integer number (16477020).

Almost surely, 2^131030538 is an apocalyptic number.

131030538 is an abundant number, since it is smaller than the sum of its proper divisors (132601782).

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

131030538 is a wasteful number, since it uses less digits than its factorization.

131030538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130941.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 131030538 is about 11446.8571232457. The cubic root of 131030538 is about 507.9147691139.

Adding to 131030538 its reverse (835030131), we get a palindrome (966060669).

The spelling of 131030538 in words is "one hundred thirty-one million, thirty thousand, five hundred thirty-eight".