13401141431 has 4 divisors (see below), whose sum is σ = 13489890864. Its totient is φ = 13312392000.

The previous prime is 13401141343. The next prime is 13401141433. The reversal of 13401141431 is 13414110431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13414110431 = 787 ⋅17044613.

It is a cyclic number.

It is not a de Polignac number, because 13401141431 - 2²² = 13396947127 is a prime.

It is a super-2 number, since 2×13401141431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13401141397 and 13401141406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13401141433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44374490 + ... + 44374791.

It is an arithmetic number, because the mean of its divisors is an integer number (3372472716).

Almost surely, 2^13401141431 is an apocalyptic number.

13401141431 is a deficient number, since it is larger than the sum of its proper divisors (88749433).

13401141431 is an equidigital number, since it uses as much as digits as its factorization.

13401141431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88749432.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 13401141431 its reverse (13414110431), we get a palindrome (26815251862).

The spelling of 13401141431 in words is "thirteen billion, four hundred one million, one hundred forty-one thousand, four hundred thirty-one".