1223030331 has 6 divisors (see below), whose sum is σ = 1766599380. Its totient is φ = 815353548.

The previous prime is 1223030329. The next prime is 1223030387. The reversal of 1223030331 is 1330303221.

It is not a de Polignac number, because 1223030331 - 2¹ = 1223030329 is a prime.

It is a super-2 number, since 2×1223030331² = 2991606381091939122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223030131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67946121 + ... + 67946138.

It is an arithmetic number, because the mean of its divisors is an integer number (294433230).

Almost surely, 2^1223030331 is an apocalyptic number.

1223030331 is a deficient number, since it is larger than the sum of its proper divisors (543569049).

1223030331 is a wasteful number, since it uses less digits than its factorization.

1223030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135892265 (or 135892262 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1223030331 is about 34971.8505515507. The cubic root of 1223030331 is about 1069.4136977795.

Adding to 1223030331 its reverse (1330303221), we get a palindrome (2553333552).

The spelling of 1223030331 in words is "one billion, two hundred twenty-three million, thirty thousand, three hundred thirty-one".