421055131 has 8 divisors (see below), whose sum is σ = 481463264. Its totient is φ = 360711360.

The previous prime is 421055101. The next prime is 421055149. The reversal of 421055131 is 131550124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421055131 - 2²³ = 412666523 is a prime.

It is a super-3 number, since 3×421055131³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421055101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140 + ... + 29041.

It is an arithmetic number, because the mean of its divisors is an integer number (60182908).

Almost surely, 2^421055131 is an apocalyptic number.

421055131 is a deficient number, since it is larger than the sum of its proper divisors (60408133).

421055131 is a wasteful number, since it uses less digits than its factorization.

421055131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32181.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 421055131 is about 20519.6279449702. The cubic root of 421055131 is about 749.5138366320.

The spelling of 421055131 in words is "four hundred twenty-one million, fifty-five thousand, one hundred thirty-one".