130431000 has 128 divisors (see below), whose sum is σ = 465154560. Its totient is φ = 29808000.

The previous prime is 130430983. The next prime is 130431017. The reversal of 130431000 is 134031.

It is an interprime number because it is at equal distance from previous prime (130430983) and next prime (130431017).

It is a super-2 number, since 2×130431000² = 34024491522000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17895 + ... + 24105.

It is an arithmetic number, because the mean of its divisors is an integer number (3634020).

Almost surely, 2^130431000 is an apocalyptic number.

130431000 is a gapful number since it is divisible by the number (10) 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 130431000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232577280).

130431000 is an abundant number, since it is smaller than the sum of its proper divisors (334723560).

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

130431000 is a wasteful number, since it uses less digits than its factorization.

130431000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242 (or 6228 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 130431000 is about 11420.6392115328. The cubic root of 130431000 is about 507.1389198738.

Adding to 130431000 its reverse (134031), we get a palindrome (130565031).

The spelling of 130431000 in words is "one hundred thirty million, four hundred thirty-one thousand".