421102301331 has 4 divisors (see below), whose sum is σ = 561469735112. Its totient is φ = 280734867552.

The previous prime is 421102301329. The next prime is 421102301341. The reversal of 421102301331 is 133103201124.

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

It is not a de Polignac number, because 421102301331 - 2¹ = 421102301329 is a prime.

It is a super-2 number, since 2×421102301331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421102301298 and 421102301307.

It is not an unprimeable number, because it can be changed into a prime (421102301311) 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 3 ways as a sum of consecutive naturals, for example, 70183716886 + ... + 70183716891.

It is an arithmetic number, because the mean of its divisors is an integer number (140367433778).

Almost surely, 2^421102301331 is an apocalyptic number.

421102301331 is a deficient number, since it is larger than the sum of its proper divisors (140367433781).

421102301331 is a wasteful number, since it uses less digits than its factorization.

421102301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140367433780.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 421102301331 its reverse (133103201124), we get a palindrome (554205502455).

The spelling of 421102301331 in words is "four hundred twenty-one billion, one hundred two million, three hundred one thousand, three hundred thirty-one".