3420304451531 has 16 divisors (see below), whose sum is σ = 3927924610560. Its totient is φ = 2947857601920.

The previous prime is 3420304451521. The next prime is 3420304451587. The reversal of 3420304451531 is 1351544030243.

It is not a de Polignac number, because 3420304451531 - 2³⁸ = 3145426544587 is a prime.

It is a super-2 number, since 2×3420304451531² (a number of 26 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 = 3420304451491 and 3420304451500.

It is not an unprimeable number, because it can be changed into a prime (3420304451521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59789951 + ... + 59847128.

It is an arithmetic number, because the mean of its divisors is an integer number (245495288160).

Almost surely, 2^{3420304451531} is an apocalyptic number.

3420304451531 is a deficient number, since it is larger than the sum of its proper divisors (507620159029).

3420304451531 is a wasteful number, since it uses less digits than its factorization.

3420304451531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119637226.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 3420304451531 its reverse (1351544030243), we get a palindrome (4771848481774).

The spelling of 3420304451531 in words is "three trillion, four hundred twenty billion, three hundred four million, four hundred fifty-one thousand, five hundred thirty-one".