130031420 has 24 divisors (see below), whose sum is σ = 284939424. Its totient is φ = 49750976.

The previous prime is 130031417. The next prime is 130031437. The reversal of 130031420 is 24130031.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 130031395 and 130031404.

It is a congruent number.

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, 140879 + ... + 141798.

It is an arithmetic number, because the mean of its divisors is an integer number (11872476).

Almost surely, 2^130031420 is an apocalyptic number.

130031420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130031420 is an abundant number, since it is smaller than the sum of its proper divisors (154908004).

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

130031420 is a wasteful number, since it uses less digits than its factorization.

130031420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282709 (or 282707 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 130031420 is about 11403.1320258953. The cubic root of 130031420 is about 506.6205107616.

Adding to 130031420 its reverse (24130031), we get a palindrome (154161451).

The spelling of 130031420 in words is "one hundred thirty million, thirty-one thousand, four hundred twenty".