311222231099 has 4 divisors (see below), whose sum is σ = 335162402736. Its totient is φ = 287282059464.

The previous prime is 311222231069. The next prime is 311222231101. The reversal of 311222231099 is 990132222113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311222231099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311222231069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11970085799 + ... + 11970085824.

It is an arithmetic number, because the mean of its divisors is an integer number (83790600684).

Almost surely, 2^311222231099 is an apocalyptic number.

311222231099 is a deficient number, since it is larger than the sum of its proper divisors (23940171637).

311222231099 is a wasteful number, since it uses less digits than its factorization.

311222231099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23940171636.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 311222231099 in words is "three hundred eleven billion, two hundred twenty-two million, two hundred thirty-one thousand, ninety-nine".