3421545431 has 4 divisors (see below), whose sum is σ = 3443338872. Its totient is φ = 3399751992.

The previous prime is 3421545427. The next prime is 3421545467. The reversal of 3421545431 is 1345451243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1345451243 = 31 ⋅43401653.

It is a cyclic number.

It is not a de Polignac number, because 3421545431 - 2² = 3421545427 is a prime.

It is a super-2 number, since 2×3421545431² = 23413946272793951522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421545401) 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 3 ways as a sum of consecutive naturals, for example, 10896485 + ... + 10896798.

It is an arithmetic number, because the mean of its divisors is an integer number (860834718).

Almost surely, 2^3421545431 is an apocalyptic number.

3421545431 is a deficient number, since it is larger than the sum of its proper divisors (21793441).

3421545431 is a wasteful number, since it uses less digits than its factorization.

3421545431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21793440.

The product of its digits is 28800, while the sum is 32.

The square root of 3421545431 is about 58493.9777327547. The cubic root of 3421545431 is about 1506.8641603622.

Adding to 3421545431 its reverse (1345451243), we get a palindrome (4766996674).

The spelling of 3421545431 in words is "three billion, four hundred twenty-one million, five hundred forty-five thousand, four hundred thirty-one".