1333213100 has 36 divisors (see below), whose sum is σ = 3063257064. Its totient is φ = 501914880.

The previous prime is 1333213099. The next prime is 1333213127. The reversal of 1333213100 is 13123331.

It is a super-2 number, since 2×1333213100² = 3554914340023220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390422 + ... + 393821.

It is an arithmetic number, because the mean of its divisors is an integer number (85090474).

Almost surely, 2^1333213100 is an apocalyptic number.

1333213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1333213100 is an abundant number, since it is smaller than the sum of its proper divisors (1730043964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1333213100 is a wasteful number, since it uses less digits than its factorization.

1333213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784274 (or 784267 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1333213100 is about 36513.1907671734. The cubic root of 1333213100 is about 1100.6093318271.

Adding to 1333213100 its reverse (13123331), we get a palindrome (1346336431).

The spelling of 1333213100 in words is "one billion, three hundred thirty-three million, two hundred thirteen thousand, one hundred".