1421431004331 has 32 divisors (see below), whose sum is σ = 2267910120000. Its totient is φ = 874688212224.

The previous prime is 1421431004321. The next prime is 1421431004363. The reversal of 1421431004331 is 1334001341241.

1421431004331 is a `hidden beast` number, since 1 + 4 + 2 + 14 + 310 + 0 + 4 + 331 = 666.

It is not a de Polignac number, because 1421431004331 - 2¹¹ = 1421431002283 is a prime.

It is a super-2 number, since 2×1421431004331² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1421431004295 and 1421431004304.

It is not an unprimeable number, because it can be changed into a prime (1421431004311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9284895 + ... + 9436743.

It is an arithmetic number, because the mean of its divisors is an integer number (70872191250).

Almost surely, 2^{1421431004331} is an apocalyptic number.

1421431004331 is a deficient number, since it is larger than the sum of its proper divisors (846479115669).

1421431004331 is a wasteful number, since it uses less digits than its factorization.

1421431004331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178540 (or 178534 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1421431004331 its reverse (1334001341241), we get a palindrome (2755432345572).

The spelling of 1421431004331 in words is "one trillion, four hundred twenty-one billion, four hundred thirty-one million, four thousand, three hundred thirty-one".