311113142 has 8 divisors (see below), whose sum is σ = 466749000. Its totient is φ = 155530144.

The previous prime is 311113129. The next prime is 311113171. The reversal of 311113142 is 241311113.

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

It is a super-3 number, since 3×311113142³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 311113142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8909 + ... + 26487.

It is an arithmetic number, because the mean of its divisors is an integer number (58343625).

Almost surely, 2^311113142 is an apocalyptic number.

311113142 is a deficient number, since it is larger than the sum of its proper divisors (155635858).

311113142 is a wasteful number, since it uses less digits than its factorization.

311113142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26430.

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

The square root of 311113142 is about 17638.3996439586. The cubic root of 311113142 is about 677.5990456267.

Adding to 311113142 its reverse (241311113), we get a palindrome (552424255).

The spelling of 311113142 in words is "three hundred eleven million, one hundred thirteen thousand, one hundred forty-two".