355131422242 has 8 divisors (see below), whose sum is σ = 532729213632. Its totient is φ = 177555017700.

The previous prime is 355131422231. The next prime is 355131422267. The reversal of 355131422242 is 242224131553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×355131422242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 355131422198 and 355131422207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5305134 + ... + 5371657.

It is an arithmetic number, because the mean of its divisors is an integer number (66591151704).

Almost surely, 2^355131422242 is an apocalyptic number.

355131422242 is a deficient number, since it is larger than the sum of its proper divisors (177597791390).

355131422242 is a wasteful number, since it uses less digits than its factorization.

355131422242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10693424.

The product of its digits is 57600, while the sum is 34.

Adding to 355131422242 its reverse (242224131553), we get a palindrome (597355553795).

The spelling of 355131422242 in words is "three hundred fifty-five billion, one hundred thirty-one million, four hundred twenty-two thousand, two hundred forty-two".