311464442 has 4 divisors (see below), whose sum is σ = 467196666. Its totient is φ = 155732220.

The previous prime is 311464427. The next prime is 311464453. The reversal of 311464442 is 244464113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244464113 = 29 ⋅8429797.

It can be written as a sum of positive squares in only one way, i.e., 279190681 + 32273761 = 16709^2 + 5681^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 77866109 + ... + 77866112.

Almost surely, 2^311464442 is an apocalyptic number.

311464442 is a deficient number, since it is larger than the sum of its proper divisors (155732224).

311464442 is a wasteful number, since it uses less digits than its factorization.

311464442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155732223.

The product of its digits is 9216, while the sum is 29.

The square root of 311464442 is about 17648.3552208131. The cubic root of 311464442 is about 677.8539914675.

The spelling of 311464442 in words is "three hundred eleven million, four hundred sixty-four thousand, four hundred forty-two".