421132131 has 36 divisors (see below), whose sum is σ = 733757232. Its totient is φ = 227968992.

The previous prime is 421132121. The next prime is 421132141. The reversal of 421132131 is 131231124.

It is an interprime number because it is at equal distance from previous prime (421132121) and next prime (421132141).

It is not a de Polignac number, because 421132131 - 2⁵ = 421132099 is a prime.

It is a super-2 number, since 2×421132131² = 354704543521202322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421132111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13485 + ... + 32001.

Almost surely, 2^421132131 is an apocalyptic number.

421132131 is a deficient number, since it is larger than the sum of its proper divisors (312625101).

421132131 is a wasteful number, since it uses less digits than its factorization.

421132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18568 (or 18546 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 421132131 is about 20521.5041115411. The cubic root of 421132131 is about 749.5595226903.

Adding to 421132131 its reverse (131231124), we get a palindrome (552363255).

It can be divided in two parts, 42113 and 2131, that added together give a palindrome (44244).

The spelling of 421132131 in words is "four hundred twenty-one million, one hundred thirty-two thousand, one hundred thirty-one".