311398429 has 8 divisors (see below), whose sum is σ = 328514240. Its totient is φ = 294355296.

The previous prime is 311398427. The next prime is 311398457. The reversal of 311398429 is 924893113.

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

It is not a de Polignac number, because 311398429 - 2¹ = 311398427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311398391 and 311398400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311398427) 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 7 ways as a sum of consecutive naturals, for example, 9249 + ... + 26614.

It is an arithmetic number, because the mean of its divisors is an integer number (41064280).

Almost surely, 2^311398429 is an apocalyptic number.

It is an amenable number.

311398429 is a deficient number, since it is larger than the sum of its proper divisors (17115811).

311398429 is a wasteful number, since it uses less digits than its factorization.

311398429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36339.

The product of its digits is 46656, while the sum is 40.

The square root of 311398429 is about 17646.4848907651. The cubic root of 311398429 is about 677.8060990694.

The spelling of 311398429 in words is "three hundred eleven million, three hundred ninety-eight thousand, four hundred twenty-nine".