420130131 has 4 divisors (see below), whose sum is σ = 560173512. Its totient is φ = 280086752.

The previous prime is 420130103. The next prime is 420130171. The reversal of 420130131 is 131031024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420130131 - 2²² = 415935827 is a prime.

It is a super-2 number, since 2×420130131² = 353018653948154322, 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 420130131.

It is not an unprimeable number, because it can be changed into a prime (420130171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70021686 + ... + 70021691.

It is an arithmetic number, because the mean of its divisors is an integer number (140043378).

Almost surely, 2^420130131 is an apocalyptic number.

420130131 is a deficient number, since it is larger than the sum of its proper divisors (140043381).

420130131 is a wasteful number, since it uses less digits than its factorization.

420130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140043380.

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

The square root of 420130131 is about 20497.0761573450. The cubic root of 420130131 is about 748.9645747394.

Adding to 420130131 its reverse (131031024), we get a palindrome (551161155).

The spelling of 420130131 in words is "four hundred twenty million, one hundred thirty thousand, one hundred thirty-one".