421310113 has 16 divisors (see below), whose sum is σ = 503283456. Its totient is φ = 344836800.

The previous prime is 421310111. The next prime is 421310117. The reversal of 421310113 is 311013124.

It is not a de Polignac number, because 421310113 - 2¹ = 421310111 is a prime.

It is a super-2 number, since 2×421310113² = 355004422632145538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421310111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110995 + ... + 114727.

It is an arithmetic number, because the mean of its divisors is an integer number (31455216).

Almost surely, 2^421310113 is an apocalyptic number.

It is an amenable number.

421310113 is a deficient number, since it is larger than the sum of its proper divisors (81973343).

421310113 is a wasteful number, since it uses less digits than its factorization.

421310113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 421310113 is about 20525.8401289691. The cubic root of 421310113 is about 749.6651026287.

Adding to 421310113 its reverse (311013124), we get a palindrome (732323237).

The spelling of 421310113 in words is "four hundred twenty-one million, three hundred ten thousand, one hundred thirteen".