421131011 has 16 divisors (see below), whose sum is σ = 499262400. Its totient is φ = 347561088.

The previous prime is 421130977. The next prime is 421131023. The reversal of 421131011 is 110131124.

It is not a de Polignac number, because 421131011 - 2⁶ = 421130947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421131031) 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, 76301 + ... + 81633.

It is an arithmetic number, because the mean of its divisors is an integer number (31203900).

Almost surely, 2^421131011 is an apocalyptic number.

421131011 is a deficient number, since it is larger than the sum of its proper divisors (78131389).

421131011 is a wasteful number, since it uses less digits than its factorization.

421131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5758.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 421131011 is about 20521.4768230749. The cubic root of 421131011 is about 749.5588582057.

Adding to 421131011 its reverse (110131124), we get a palindrome (531262135).

The spelling of 421131011 in words is "four hundred twenty-one million, one hundred thirty-one thousand, eleven".