13042213431 has 32 divisors (see below), whose sum is σ = 18848426688. Its totient is φ = 7974236160.

The previous prime is 13042213403. The next prime is 13042213433. The reversal of 13042213431 is 13431224031.

It is a happy number.

It is not a de Polignac number, because 13042213431 - 2⁵ = 13042213399 is a prime.

It is a super-2 number, since 2×13042213431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13042213433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4287271 + ... + 4290311.

It is an arithmetic number, because the mean of its divisors is an integer number (589013334).

Almost surely, 2^13042213431 is an apocalyptic number.

13042213431 is a deficient number, since it is larger than the sum of its proper divisors (5806213257).

13042213431 is a wasteful number, since it uses less digits than its factorization.

13042213431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13042213431 its reverse (13431224031), we get a palindrome (26473437462).

The spelling of 13042213431 in words is "thirteen billion, forty-two million, two hundred thirteen thousand, four hundred thirty-one".