130431708 has 108 divisors (see below), whose sum is σ = 376161240. Its totient is φ = 39489120.

The previous prime is 130431683. The next prime is 130431731. The reversal of 130431708 is 807134031.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117058 + ... + 118166.

Almost surely, 2^130431708 is an apocalyptic number.

130431708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130431708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188080620).

130431708 is an abundant number, since it is smaller than the sum of its proper divisors (245729532).

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

130431708 is a wasteful number, since it uses less digits than its factorization.

130431708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 130431708 is about 11420.6702080044. The cubic root of 130431708 is about 507.1398374821.

Adding to 130431708 its reverse (807134031), we get a palindrome (937565739).

The spelling of 130431708 in words is "one hundred thirty million, four hundred thirty-one thousand, seven hundred eight".