1313232402 has 8 divisors (see below), whose sum is σ = 2626464816. Its totient is φ = 437744132.

The previous prime is 1313232343. The next prime is 1313232493. The reversal of 1313232402 is 2042323131.

It is a sphenic number, since it is the product of 3 distinct primes.

1313232402 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109436028 + ... + 109436039.

It is an arithmetic number, because the mean of its divisors is an integer number (328308102).

Almost surely, 2^1313232402 is an apocalyptic number.

1313232402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1313232402 is a wasteful number, since it uses less digits than its factorization.

1313232402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218872072.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1313232402 is about 36238.5485636497. The cubic root of 1313232402 is about 1095.0834022502.

Adding to 1313232402 its reverse (2042323131), we get a palindrome (3355555533).

The spelling of 1313232402 in words is "one billion, three hundred thirteen million, two hundred thirty-two thousand, four hundred two".