130120431 has 24 divisors (see below), whose sum is σ = 213695280. Its totient is φ = 69979392.

The previous prime is 130120427. The next prime is 130120433. The reversal of 130120431 is 134021031.

It is not a de Polignac number, because 130120431 - 2² = 130120427 is a prime.

It is a super-2 number, since 2×130120431² = 33862653127251522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130120431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130120433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23536 + ... + 28533.

It is an arithmetic number, because the mean of its divisors is an integer number (8903970).

Almost surely, 2^130120431 is an apocalyptic number.

130120431 is a deficient number, since it is larger than the sum of its proper divisors (83574849).

130120431 is a wasteful number, since it uses less digits than its factorization.

130120431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52103 (or 52096 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130120431 is about 11407.0342771467. The cubic root of 130120431 is about 506.7360841426.

Adding to 130120431 its reverse (134021031), we get a palindrome (264141462).

The spelling of 130120431 in words is "one hundred thirty million, one hundred twenty thousand, four hundred thirty-one".