331144234 has 16 divisors (see below), whose sum is σ = 515609856. Its totient is φ = 159390000.

The previous prime is 331144211. The next prime is 331144273. The reversal of 331144234 is 432441133.

It is a super-2 number, since 2×331144234² = 219313007422893512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331144199 and 331144208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23142 + ... + 34609.

It is an arithmetic number, because the mean of its divisors is an integer number (32225616).

Almost surely, 2^331144234 is an apocalyptic number.

331144234 is a deficient number, since it is larger than the sum of its proper divisors (184465622).

331144234 is a wasteful number, since it uses less digits than its factorization.

331144234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57861.

The product of its digits is 3456, while the sum is 25.

The square root of 331144234 is about 18197.3688757468. The cubic root of 331144234 is about 691.8401027757.

Adding to 331144234 its reverse (432441133), we get a palindrome (763585367).

The spelling of 331144234 in words is "three hundred thirty-one million, one hundred forty-four thousand, two hundred thirty-four".