130033431 has 24 divisors (see below), whose sum is σ = 212494464. Its totient is φ = 78806520.

The previous prime is 130033417. The next prime is 130033441. The reversal of 130033431 is 134330031.

130033431 is a `hidden beast` number, since 1 + 300 + 334 + 31 = 666.

It is not a de Polignac number, because 130033431 - 2⁹ = 130032919 is a prime.

It is a super-2 number, since 2×130033431² = 33817386355263522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130033411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21651 + ... + 26996.

It is an arithmetic number, because the mean of its divisors is an integer number (8853936).

Almost surely, 2^130033431 is an apocalyptic number.

130033431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130033431 is a deficient number, since it is larger than the sum of its proper divisors (82461033).

130033431 is an equidigital number, since it uses as much as digits as its factorization.

130033431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48673 (or 48661 counting only the distinct ones).

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

The square root of 130033431 is about 11403.2202030830. The cubic root of 130033431 is about 506.6231224601.

Adding to 130033431 its reverse (134330031), we get a palindrome (264363462).

The spelling of 130033431 in words is "one hundred thirty million, thirty-three thousand, four hundred thirty-one".