130331430 has 40 divisors (see below), whose sum is σ = 350448912. Its totient is φ = 34754832.

The previous prime is 130331429. The next prime is 130331437. The reversal of 130331430 is 34133031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130331437) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79642 + ... + 81261.

Almost surely, 2^130331430 is an apocalyptic number.

130331430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130331430 is an abundant number, since it is smaller than the sum of its proper divisors (220117482).

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

130331430 is a wasteful number, since it uses less digits than its factorization.

130331430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160922 (or 160913 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 130331430 is about 11416.2791661732. The cubic root of 130331430 is about 507.0098384002.

Adding to 130331430 its reverse (34133031), we get a palindrome (164464461).

The spelling of 130331430 in words is "one hundred thirty million, three hundred thirty-one thousand, four hundred thirty".