1321133350 has 12 divisors (see below), whose sum is σ = 2457308124. Its totient is φ = 528453320.

The previous prime is 1321133273. The next prime is 1321133371. The reversal of 1321133350 is 533311231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13211284 + ... + 13211383.

It is an arithmetic number, because the mean of its divisors is an integer number (204775677).

Almost surely, 2^1321133350 is an apocalyptic number.

1321133350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321133350 is a deficient number, since it is larger than the sum of its proper divisors (1136174774).

1321133350 is a wasteful number, since it uses less digits than its factorization.

1321133350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26422679 (or 26422674 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 1321133350 is about 36347.3981187100. The cubic root of 1321133350 is about 1097.2751704501.

Adding to 1321133350 its reverse (533311231), we get a palindrome (1854444581).

The spelling of 1321133350 in words is "one billion, three hundred twenty-one million, one hundred thirty-three thousand, three hundred fifty".