13021431202 has 16 divisors (see below), whose sum is σ = 21074860800. Its totient is φ = 5998393872.

The previous prime is 13021431187. The next prime is 13021431221. The reversal of 13021431202 is 20213412031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13021431202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465202 + ... + 492397.

It is an arithmetic number, because the mean of its divisors is an integer number (1317178800).

Almost surely, 2^13021431202 is an apocalyptic number.

13021431202 is a deficient number, since it is larger than the sum of its proper divisors (8053429598).

13021431202 is a wasteful number, since it uses less digits than its factorization.

13021431202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958137.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13021431202 its reverse (20213412031), we get a palindrome (33234843233).

The spelling of 13021431202 in words is "thirteen billion, twenty-one million, four hundred thirty-one thousand, two hundred two".