13211231402 has 8 divisors (see below), whose sum is σ = 19961496036. Its totient is φ = 6557399392.

The previous prime is 13211231399. The next prime is 13211231479. The reversal of 13211231402 is 20413211231.

13211231402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12383460961 + 827770441 = 111281^2 + 28771^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24107813 + ... + 24108360.

Almost surely, 2^13211231402 is an apocalyptic number.

13211231402 is a deficient number, since it is larger than the sum of its proper divisors (6750264634).

13211231402 is a wasteful number, since it uses less digits than its factorization.

13211231402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48216312.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13211231402 its reverse (20413211231), we get a palindrome (33624442633).

The spelling of 13211231402 in words is "thirteen billion, two hundred eleven million, two hundred thirty-one thousand, four hundred two".