13311412402 has 4 divisors (see below), whose sum is σ = 19967118606. Its totient is φ = 6655706200.

The previous prime is 13311412297. The next prime is 13311412421. The reversal of 13311412402 is 20421411331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20421411331 = 22283 ⋅916457.

It can be written as a sum of positive squares in only one way, i.e., 12966604641 + 344807761 = 113871^2 + 18569^2 .

It is a super-2 number, since 2×13311412402² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327853099 + ... + 3327853102.

Almost surely, 2^13311412402 is an apocalyptic number.

13311412402 is a deficient number, since it is larger than the sum of its proper divisors (6655706204).

13311412402 is an equidigital number, since it uses as much as digits as its factorization.

13311412402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655706203.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13311412402 its reverse (20421411331), we get a palindrome (33732823733).

The spelling of 13311412402 in words is "thirteen billion, three hundred eleven million, four hundred twelve thousand, four hundred two".