311123114 has 4 divisors (see below), whose sum is σ = 466684674. Its totient is φ = 155561556.

The previous prime is 311123089. The next prime is 311123117. The reversal of 311123114 is 411321113.

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

It can be written as a sum of positive squares in only one way, i.e., 305096089 + 6027025 = 17467^2 + 2455^2 .

It is a junction number, because it is equal to n+sod(n) for n = 311123092 and 311123101.

It is not an unprimeable number, because it can be changed into a prime (311123117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77780777 + ... + 77780780.

Almost surely, 2^311123114 is an apocalyptic number.

311123114 is a deficient number, since it is larger than the sum of its proper divisors (155561560).

311123114 is a wasteful number, since it uses less digits than its factorization.

311123114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155561559.

The product of its digits is 72, while the sum is 17.

The square root of 311123114 is about 17638.6823204002. The cubic root of 311123114 is about 677.6062851639.

Adding to 311123114 its reverse (411321113), we get a palindrome (722444227).

The spelling of 311123114 in words is "three hundred eleven million, one hundred twenty-three thousand, one hundred fourteen".