1315233224 has 16 divisors (see below), whose sum is σ = 2466577500. Its totient is φ = 657479232.

The previous prime is 1315233197. The next prime is 1315233229. The reversal of 1315233224 is 4223325131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1314062500 + 1170724 = 36250^2 + 1082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1315233193 and 1315233202.

It is not an unprimeable number, because it can be changed into a prime (1315233229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31694 + ... + 60290.

Almost surely, 2^1315233224 is an apocalyptic number.

It is an amenable number.

1315233224 is a deficient number, since it is larger than the sum of its proper divisors (1151344276).

1315233224 is a wasteful number, since it uses less digits than its factorization.

1315233224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34352 (or 34348 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 1315233224 is about 36266.1443222188. The cubic root of 1315233224 is about 1095.6392711483.

Adding to 1315233224 its reverse (4223325131), we get a palindrome (5538558355).

The spelling of 1315233224 in words is "one billion, three hundred fifteen million, two hundred thirty-three thousand, two hundred twenty-four".