20113402101431 has 16 divisors (see below), whose sum is σ = 20250568665600. Its totient is φ = 19976619310560.

The previous prime is 20113402101409. The next prime is 20113402101439. The reversal of 20113402101431 is 13410120431102.

It is a cyclic number.

It is not a de Polignac number, because 20113402101431 - 2¹⁸ = 20113401839287 is a prime.

It is a super-2 number, since 2×20113402101431² (a number of 27 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 = 20113402101397 and 20113402101406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113402101439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369901676 + ... + 369956046.

It is an arithmetic number, because the mean of its divisors is an integer number (1265660541600).

Almost surely, 2^{20113402101431} is an apocalyptic number.

20113402101431 is a deficient number, since it is larger than the sum of its proper divisors (137166564169).

20113402101431 is a wasteful number, since it uses less digits than its factorization.

20113402101431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57854.

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

Adding to 20113402101431 its reverse (13410120431102), we get a palindrome (33523522532533).

The spelling of 20113402101431 in words is "twenty trillion, one hundred thirteen billion, four hundred two million, one hundred one thousand, four hundred thirty-one".