3420421441431 has 16 divisors (see below), whose sum is σ = 4566676533120. Its totient is φ = 2277224595360.

The previous prime is 3420421441427. The next prime is 3420421441439. The reversal of 3420421441431 is 1341441240243.

It is a happy number.

It is not a de Polignac number, because 3420421441431 - 2² = 3420421441427 is a prime.

It is a super-2 number, since 2×3420421441431² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3420421441392 and 3420421441401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420421441439) 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, 14865936 + ... + 15094266.

It is an arithmetic number, because the mean of its divisors is an integer number (285417283320).

Almost surely, 2^{3420421441431} is an apocalyptic number.

3420421441431 is a deficient number, since it is larger than the sum of its proper divisors (1146255091689).

3420421441431 is a wasteful number, since it uses less digits than its factorization.

3420421441431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235006.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 3420421441431 its reverse (1341441240243), we get a palindrome (4761862681674).

The spelling of 3420421441431 in words is "three trillion, four hundred twenty billion, four hundred twenty-one million, four hundred forty-one thousand, four hundred thirty-one".