3455221104431 has 4 divisors (see below), whose sum is σ = 3520413955512. Its totient is φ = 3390028253352.

The previous prime is 3455221104427. The next prime is 3455221104463. The reversal of 3455221104431 is 1344011225543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3455221104431 - 2² = 3455221104427 is a prime.

It is a super-2 number, since 2×3455221104431² (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 = 3455221104391 and 3455221104400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455221104931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32596425461 + ... + 32596425566.

It is an arithmetic number, because the mean of its divisors is an integer number (880103488878).

Almost surely, 2^{3455221104431} is an apocalyptic number.

3455221104431 is a deficient number, since it is larger than the sum of its proper divisors (65192851081).

3455221104431 is an equidigital number, since it uses as much as digits as its factorization.

3455221104431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65192851080.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 3455221104431 its reverse (1344011225543), we get a palindrome (4799232329974).

The spelling of 3455221104431 in words is "three trillion, four hundred fifty-five billion, two hundred twenty-one million, one hundred four thousand, four hundred thirty-one".