331342234 has 4 divisors (see below), whose sum is σ = 497013354. Its totient is φ = 165671116.

The previous prime is 331342217. The next prime is 331342237. The reversal of 331342234 is 432243133.

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

It can be written as a sum of positive squares in only one way, i.e., 246647025 + 84695209 = 15705^2 + 9203^2 .

It is a super-2 number, since 2×331342234² = 219575352064221512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331342199 and 331342208.

It is not an unprimeable number, because it can be changed into a prime (331342237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82835557 + ... + 82835560.

Almost surely, 2^331342234 is an apocalyptic number.

331342234 is a deficient number, since it is larger than the sum of its proper divisors (165671120).

331342234 is a wasteful number, since it uses less digits than its factorization.

331342234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165671119.

The product of its digits is 5184, while the sum is 25.

The square root of 331342234 is about 18202.8084096933. The cubic root of 331342234 is about 691.9779652066.

Adding to 331342234 its reverse (432243133), we get a palindrome (763585367).

The spelling of 331342234 in words is "three hundred thirty-one million, three hundred forty-two thousand, two hundred thirty-four".