311964117 has 4 divisors (see below), whose sum is σ = 415952160. Its totient is φ = 207976076.

The previous prime is 311964101. The next prime is 311964119. The reversal of 311964117 is 711469113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 311964117 - 2⁴ = 311964101 is a prime.

It is a super-2 number, since 2×311964117² = 194643220591179378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311964119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51994017 + ... + 51994022.

It is an arithmetic number, because the mean of its divisors is an integer number (103988040).

Almost surely, 2^311964117 is an apocalyptic number.

It is an amenable number.

311964117 is a deficient number, since it is larger than the sum of its proper divisors (103988043).

311964117 is a wasteful number, since it uses less digits than its factorization.

311964117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103988042.

The product of its digits is 4536, while the sum is 33.

The square root of 311964117 is about 17662.5059660287. The cubic root of 311964117 is about 678.2162861444.

The spelling of 311964117 in words is "three hundred eleven million, nine hundred sixty-four thousand, one hundred seventeen".