311427149 has 8 divisors (see below), whose sum is σ = 340394592. Its totient is φ = 282569040.

The previous prime is 311427139. The next prime is 311427169. The reversal of 311427149 is 941724113.

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

It is a cyclic number.

It is not a de Polignac number, because 311427149 - 2²⁰ = 310378573 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 (311427139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21314 + ... + 32819.

It is an arithmetic number, because the mean of its divisors is an integer number (42549324).

Almost surely, 2^311427149 is an apocalyptic number.

It is an amenable number.

311427149 is a deficient number, since it is larger than the sum of its proper divisors (28967443).

311427149 is a wasteful number, since it uses less digits than its factorization.

311427149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54667.

The product of its digits is 6048, while the sum is 32.

The square root of 311427149 is about 17647.2986318020. The cubic root of 311427149 is about 677.8269362466.

The spelling of 311427149 in words is "three hundred eleven million, four hundred twenty-seven thousand, one hundred forty-nine".