311224423011 has 8 divisors (see below), whose sum is σ = 415096115904. Its totient is φ = 207417839400.

The previous prime is 311224423009. The next prime is 311224423057. The reversal of 311224423011 is 110324422113.

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

It is not a de Polignac number, because 311224423011 - 2¹ = 311224423009 is a prime.

It is a super-2 number, since 2×311224423011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (311224423711) 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, 16266165 + ... + 16285286.

It is an arithmetic number, because the mean of its divisors is an integer number (51887014488).

Almost surely, 2^311224423011 is an apocalyptic number.

311224423011 is a deficient number, since it is larger than the sum of its proper divisors (103871692893).

311224423011 is a wasteful number, since it uses less digits than its factorization.

311224423011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32554641.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 311224423011 its reverse (110324422113), we get a palindrome (421548845124).

The spelling of 311224423011 in words is "three hundred eleven billion, two hundred twenty-four million, four hundred twenty-three thousand, eleven".