11313023203431 has 48 divisors (see below), whose sum is σ = 17397776826144. Its totient is φ = 7059217385472.

The previous prime is 11313023203379. The next prime is 11313023203451. The reversal of 11313023203431 is 13430232031311.

11313023203431 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 3 + 0 + 23 + 203 + 431 = 666.

It is not a de Polignac number, because 11313023203431 - 2¹⁷ = 11313023072359 is a prime.

It is a super-2 number, since 2×11313023203431² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11313023203395 and 11313023203404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313023203451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69152176 + ... + 69315578.

It is an arithmetic number, because the mean of its divisors is an integer number (362453683878).

Almost surely, 2^{11313023203431} is an apocalyptic number.

11313023203431 is a deficient number, since it is larger than the sum of its proper divisors (6084753622713).

11313023203431 is a wasteful number, since it uses less digits than its factorization.

11313023203431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165920 (or 165917 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 11313023203431 its reverse (13430232031311), we get a palindrome (24743255234742).

The spelling of 11313023203431 in words is "eleven trillion, three hundred thirteen billion, twenty-three million, two hundred three thousand, four hundred thirty-one".