131500235 has 16 divisors (see below), whose sum is σ = 169973760. Its totient is φ = 97342560.

The previous prime is 131500211. The next prime is 131500279. The reversal of 131500235 is 532005131.

It is not a de Polignac number, because 131500235 - 2¹⁴ = 131483851 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12011 + ... + 20180.

It is an arithmetic number, because the mean of its divisors is an integer number (10623360).

Almost surely, 2^131500235 is an apocalyptic number.

131500235 is a deficient number, since it is larger than the sum of its proper divisors (38473525).

131500235 is a wasteful number, since it uses less digits than its factorization.

131500235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32258.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 131500235 is about 11467.3551876621. The cubic root of 131500235 is about 508.5209421879.

Adding to 131500235 its reverse (532005131), we get a palindrome (663505366).

The spelling of 131500235 in words is "one hundred thirty-one million, five hundred thousand, two hundred thirty-five".