1331013224 has 8 divisors (see below), whose sum is σ = 2495649810. Its totient is φ = 665506608.

The previous prime is 1331013209. The next prime is 1331013239. The reversal of 1331013224 is 4223101331.

It is an interprime number because it is at equal distance from previous prime (1331013209) and next prime (1331013239).

It can be written as a sum of positive squares in only one way, i.e., 1120240900 + 210772324 = 33470^2 + 14518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1331013196 and 1331013205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83188319 + ... + 83188334.

Almost surely, 2^1331013224 is an apocalyptic number.

It is an amenable number.

1331013224 is a deficient number, since it is larger than the sum of its proper divisors (1164636586).

1331013224 is a wasteful number, since it uses less digits than its factorization.

1331013224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166376659 (or 166376655 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1331013224 is about 36483.0539291875. The cubic root of 1331013224 is about 1100.0036429631.

Adding to 1331013224 its reverse (4223101331), we get a palindrome (5554114555).

The spelling of 1331013224 in words is "one billion, three hundred thirty-one million, thirteen thousand, two hundred twenty-four".