355112231 has 2 divisors, whose sum is σ = 355112232. Its totient is φ = 355112230.

The previous prime is 355112183. The next prime is 355112297. The reversal of 355112231 is 132211553.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (132211553) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355112231 is a prime.

It is a super-2 number, since 2×355112231² = 252209393211594722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 355112197 and 355112206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355112431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177556115 + 177556116.

It is an arithmetic number, because the mean of its divisors is an integer number (177556116).

Almost surely, 2^355112231 is an apocalyptic number.

355112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

355112231 is an equidigital number, since it uses as much as digits as its factorization.

355112231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 23.

The square root of 355112231 is about 18844.4217475623. The cubic root of 355112231 is about 708.1444845144.

Adding to 355112231 its reverse (132211553), we get a palindrome (487323784).

The spelling of 355112231 in words is "three hundred fifty-five million, one hundred twelve thousand, two hundred thirty-one".