10311331099 has 4 divisors (see below), whose sum is σ = 10312090560. Its totient is φ = 10310571640.

The previous prime is 10311331097. The next prime is 10311331109. The reversal of 10311331099 is 99013311301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99013311301 = 331 ⋅299133871.

It is a cyclic number.

It is not a de Polignac number, because 10311331099 - 2¹ = 10311331097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10311331099.

It is not an unprimeable number, because it can be changed into a prime (10311331091) 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, 358987 + ... + 386644.

It is an arithmetic number, because the mean of its divisors is an integer number (2578022640).

Almost surely, 2^10311331099 is an apocalyptic number.

10311331099 is a deficient number, since it is larger than the sum of its proper divisors (759461).

10311331099 is an equidigital number, since it uses as much as digits as its factorization.

10311331099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759460.

The product of its (nonzero) digits is 2187, while the sum is 31.

The spelling of 10311331099 in words is "ten billion, three hundred eleven million, three hundred thirty-one thousand, ninety-nine".