13313311402 has 4 divisors (see below), whose sum is σ = 19969967106. Its totient is φ = 6656655700.

The previous prime is 13313311393. The next prime is 13313311463. The reversal of 13313311402 is 20411331331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20411331331 = 6131 ⋅3329201.

It can be written as a sum of positive squares in only one way, i.e., 10577916801 + 2735394601 = 102849^2 + 52301^2 .

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 as a sum of consecutive naturals, namely, 3328327849 + ... + 3328327852.

Almost surely, 2^13313311402 is an apocalyptic number.

13313311402 is a deficient number, since it is larger than the sum of its proper divisors (6656655704).

13313311402 is an equidigital number, since it uses as much as digits as its factorization.

13313311402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656655703.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13313311402 its reverse (20411331331), we get a palindrome (33724642733).

The spelling of 13313311402 in words is "thirteen billion, three hundred thirteen million, three hundred eleven thousand, four hundred two".