13211031142 has 16 divisors (see below), whose sum is σ = 20597050800. Its totient is φ = 6347507040.

The previous prime is 13211031137. The next prime is 13211031179. The reversal of 13211031142 is 24113011231.

It is a congruent number.

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, 527517 + ... + 551992.

It is an arithmetic number, because the mean of its divisors is an integer number (1287315675).

Almost surely, 2^13211031142 is an apocalyptic number.

13211031142 is a deficient number, since it is larger than the sum of its proper divisors (7386019658).

13211031142 is a wasteful number, since it uses less digits than its factorization.

13211031142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079751.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13211031142 its reverse (24113011231), we get a palindrome (37324042373).

The spelling of 13211031142 in words is "thirteen billion, two hundred eleven million, thirty-one thousand, one hundred forty-two".