355431122 has 6 divisors (see below), whose sum is σ = 533186679. Its totient is φ = 177702230.

The previous prime is 355431113. The next prime is 355431133. The reversal of 355431122 is 221134553.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 177715561 + 177715561 = 13331^2 + 13331^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=13331.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 355431091 and 355431100.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19997 + ... + 33327.

Almost surely, 2^355431122 is an apocalyptic number.

355431122 is a deficient number, since it is larger than the sum of its proper divisors (177755557).

355431122 is an frugal number, since it uses more digits than its factorization.

355431122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26664 (or 13333 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 355431122 is about 18852.8809999957. The cubic root of 355431122 is about 708.3563924888.

Adding to 355431122 its reverse (221134553), we get a palindrome (576565675).

It can be divided in two parts, 355431 and 122, that added together give a palindrome (355553).

The spelling of 355431122 in words is "three hundred fifty-five million, four hundred thirty-one thousand, one hundred twenty-two".