131011634 has 16 divisors (see below), whose sum is σ = 220836672. Its totient is φ = 57837648.

The previous prime is 131011627. The next prime is 131011651. The reversal of 131011634 is 436110131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108944 + ... + 110139.

It is an arithmetic number, because the mean of its divisors is an integer number (13802292).

Almost surely, 2^131011634 is an apocalyptic number.

131011634 is a deficient number, since it is larger than the sum of its proper divisors (89825038).

131011634 is a wasteful number, since it uses less digits than its factorization.

131011634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219121.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 131011634 is about 11446.0313646259. The cubic root of 131011634 is about 507.8903420281.

Adding to 131011634 its reverse (436110131), we get a palindrome (567121765).

The spelling of 131011634 in words is "one hundred thirty-one million, eleven thousand, six hundred thirty-four".