131235113530 has 32 divisors (see below), whose sum is σ = 236685758400. Its totient is φ = 52391364480.

The previous prime is 131235113519. The next prime is 131235113539. The reversal of 131235113530 is 35311532131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131235113539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11438857 + ... + 11450323.

It is an arithmetic number, because the mean of its divisors is an integer number (7396429950).

Almost surely, 2^131235113530 is an apocalyptic number.

131235113530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131235113530 is a deficient number, since it is larger than the sum of its proper divisors (105450644870).

131235113530 is a wasteful number, since it uses less digits than its factorization.

131235113530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13614.

The product of its (nonzero) digits is 4050, while the sum is 28.

Adding to 131235113530 its reverse (35311532131), we get a palindrome (166546645661).

The spelling of 131235113530 in words is "one hundred thirty-one billion, two hundred thirty-five million, one hundred thirteen thousand, five hundred thirty".