105311530239 has 4 divisors (see below), whose sum is σ = 140415373656. Its totient is φ = 70207686824.

The previous prime is 105311530231. The next prime is 105311530253. The reversal of 105311530239 is 932035113501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932035113501 = 3 ⋅310678371167.

It is a cyclic number.

It is not a de Polignac number, because 105311530239 - 2³ = 105311530231 is a prime.

It is a super-2 number, since 2×105311530239² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105311530231) 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, 17551921704 + ... + 17551921709.

It is an arithmetic number, because the mean of its divisors is an integer number (35103843414).

Almost surely, 2^105311530239 is an apocalyptic number.

105311530239 is a deficient number, since it is larger than the sum of its proper divisors (35103843417).

105311530239 is an equidigital number, since it uses as much as digits as its factorization.

105311530239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35103843416.

The product of its (nonzero) digits is 12150, while the sum is 33.

The spelling of 105311530239 in words is "one hundred five billion, three hundred eleven million, five hundred thirty thousand, two hundred thirty-nine".