311113011 has 16 divisors (see below), whose sum is σ = 476346240. Its totient is φ = 178629120.

The previous prime is 311113007. The next prime is 311113031. The reversal of 311113011 is 110311113.

It is not a de Polignac number, because 311113011 - 2² = 311113007 is a prime.

It is a super-2 number, since 2×311113011² = 193582611226972242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (311113031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247470 + ... + 248723.

It is an arithmetic number, because the mean of its divisors is an integer number (29771640).

Almost surely, 2^311113011 is an apocalyptic number.

311113011 is a deficient number, since it is larger than the sum of its proper divisors (165233229).

311113011 is a wasteful number, since it uses less digits than its factorization.

311113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496226.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 311113011 is about 17638.3959304694. The cubic root of 311113011 is about 677.5989505215.

Adding to 311113011 its reverse (110311113), we get a palindrome (421424124).

The spelling of 311113011 in words is "three hundred eleven million, one hundred thirteen thousand, eleven".