11605234031 has 8 divisors (see below), whose sum is σ = 11857229760. Its totient is φ = 11353449888.

The previous prime is 11605234027. The next prime is 11605234099. The reversal of 11605234031 is 13043250611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11605234031 - 2² = 11605234027 is a prime.

It is a super-2 number, since 2×11605234031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11605234021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60605 + ... + 163961.

It is an arithmetic number, because the mean of its divisors is an integer number (1482153720).

Almost surely, 2^11605234031 is an apocalyptic number.

11605234031 is a deficient number, since it is larger than the sum of its proper divisors (251995729).

11605234031 is a wasteful number, since it uses less digits than its factorization.

11605234031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105793.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 11605234031 its reverse (13043250611), we get a palindrome (24648484642).

The spelling of 11605234031 in words is "eleven billion, six hundred five million, two hundred thirty-four thousand, thirty-one".