353204421231 has 4 divisors (see below), whose sum is σ = 470939228312. Its totient is φ = 235469614152.

The previous prime is 353204421187. The next prime is 353204421247. The reversal of 353204421231 is 132124402353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132124402353 = 3 ⋅44041467451.

It is not a de Polignac number, because 353204421231 - 2²² = 353200226927 is a prime.

It is a super-2 number, since 2×353204421231² (a number of 24 digits) 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 (353204021231) 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, 58867403536 + ... + 58867403541.

It is an arithmetic number, because the mean of its divisors is an integer number (117734807078).

Almost surely, 2^353204421231 is an apocalyptic number.

353204421231 is a deficient number, since it is larger than the sum of its proper divisors (117734807081).

353204421231 is a wasteful number, since it uses less digits than its factorization.

353204421231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117734807080.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 353204421231 its reverse (132124402353), we get a palindrome (485328823584).

The spelling of 353204421231 in words is "three hundred fifty-three billion, two hundred four million, four hundred twenty-one thousand, two hundred thirty-one".