311941 has 4 divisors (see below), whose sum is σ = 356512. Its totient is φ = 267372.

The previous prime is 311897. The next prime is 311951. The reversal of 311941 is 149113.

It is a happy number.

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 not a de Polignac number, because 311941 - 2¹³ = 303749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22275 + ... + 22288.

It is an arithmetic number, because the mean of its divisors is an integer number (89128).

2³¹¹⁹⁴¹ is an apocalyptic number.

It is an amenable number.

311941 is a deficient number, since it is larger than the sum of its proper divisors (44571).

311941 is an equidigital number, since it uses as much as digits as its factorization.

311941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44570.

The product of its digits is 108, while the sum is 19.

The square root of 311941 is about 558.5167857818. The cubic root of 311941 is about 67.8199533456.

It can be divided in two parts, 3119 and 41, that added together give a triangular number (3160 = T₇₉).

The spelling of 311941 in words is "three hundred eleven thousand, nine hundred forty-one".