11313201431 has 4 divisors (see below), whose sum is σ = 12929373072. Its totient is φ = 9697029792.

The previous prime is 11313201409. The next prime is 11313201439. The reversal of 11313201431 is 13410231311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13410231311 = 5419 ⋅2474669.

It is a cyclic number.

It is not a de Polignac number, because 11313201431 - 2²⁶ = 11246092567 is a prime.

It is a super-2 number, since 2×11313201431² (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 (11313201439) 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, 808085810 + ... + 808085823.

It is an arithmetic number, because the mean of its divisors is an integer number (3232343268).

Almost surely, 2^11313201431 is an apocalyptic number.

11313201431 is a deficient number, since it is larger than the sum of its proper divisors (1616171641).

11313201431 is an equidigital number, since it uses as much as digits as its factorization.

11313201431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616171640.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11313201431 its reverse (13410231311), we get a palindrome (24723432742).

The spelling of 11313201431 in words is "eleven billion, three hundred thirteen million, two hundred one thousand, four hundred thirty-one".