131013830 has 16 divisors (see below), whose sum is σ = 239056704. Its totient is φ = 51687360.

The previous prime is 131013811. The next prime is 131013833. The reversal of 131013830 is 38310131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131013833) 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, 89006 + ... + 90465.

It is an arithmetic number, because the mean of its divisors is an integer number (14941044).

Almost surely, 2^131013830 is an apocalyptic number.

131013830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131013830 is a deficient number, since it is larger than the sum of its proper divisors (108042874).

131013830 is a wasteful number, since it uses less digits than its factorization.

131013830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179551.

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

The square root of 131013830 is about 11446.1272926698. The cubic root of 131013830 is about 507.8931797429.

Adding to 131013830 its reverse (38310131), we get a palindrome (169323961).

The spelling of 131013830 in words is "one hundred thirty-one million, thirteen thousand, eight hundred thirty".