1331213024 has 12 divisors (see below), whose sum is σ = 2620825704. Its totient is φ = 665606496.

The previous prime is 1331213011. The next prime is 1331213063. The reversal of 1331213024 is 4203121331.

It is a junction number, because it is equal to n+sod(n) for n = 1331212987 and 1331213005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20800172 + ... + 20800235.

It is an arithmetic number, because the mean of its divisors is an integer number (218402142).

Almost surely, 2^1331213024 is an apocalyptic number.

It is an amenable number.

1331213024 is a deficient number, since it is larger than the sum of its proper divisors (1289612680).

1331213024 is an equidigital number, since it uses as much as digits as its factorization.

1331213024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41600417 (or 41600409 counting only the distinct ones).

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

The square root of 1331213024 is about 36485.7920840428. The cubic root of 1331213024 is about 1100.0586811670.

Adding to 1331213024 its reverse (4203121331), we get a palindrome (5534334355).

The spelling of 1331213024 in words is "one billion, three hundred thirty-one million, two hundred thirteen thousand, twenty-four".