311974698 has 64 divisors (see below), whose sum is σ = 731001600. Its totient is φ = 86925312.

The previous prime is 311974697. The next prime is 311974709. The reversal of 311974698 is 896479113.

It is a happy number.

311974698 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (311974697) 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 31 ways as a sum of consecutive naturals, for example, 296878 + ... + 297926.

It is an arithmetic number, because the mean of its divisors is an integer number (11421900).

Almost surely, 2^311974698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311974698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365500800).

311974698 is an abundant number, since it is smaller than the sum of its proper divisors (419026902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311974698 is a wasteful number, since it uses less digits than its factorization.

311974698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231.

The product of its digits is 326592, while the sum is 48.

The square root of 311974698 is about 17662.8054962964. The cubic root of 311974698 is about 678.2239538269.

The spelling of 311974698 in words is "three hundred eleven million, nine hundred seventy-four thousand, six hundred ninety-eight".