421004131311 has 8 divisors (see below), whose sum is σ = 562567156144. Its totient is φ = 280055263680.

The previous prime is 421004131309. The next prime is 421004131321. The reversal of 421004131311 is 113131400124.

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

It is not a de Polignac number, because 421004131311 - 2¹ = 421004131309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421004131321) 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, 153537700 + ... + 153540441.

It is an arithmetic number, because the mean of its divisors is an integer number (70320894518).

Almost surely, 2^421004131311 is an apocalyptic number.

421004131311 is a deficient number, since it is larger than the sum of its proper divisors (141563024833).

421004131311 is a wasteful number, since it uses less digits than its factorization.

421004131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307078601.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 421004131311 its reverse (113131400124), we get a palindrome (534135531435).

The spelling of 421004131311 in words is "four hundred twenty-one billion, four million, one hundred thirty-one thousand, three hundred eleven".