311430434 has 8 divisors (see below), whose sum is σ = 533880768. Its totient is φ = 133470180.

The previous prime is 311430407. The next prime is 311430479. The reversal of 311430434 is 434034113.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11122502 + ... + 11122529.

It is an arithmetic number, because the mean of its divisors is an integer number (66735096).

Almost surely, 2^311430434 is an apocalyptic number.

311430434 is a deficient number, since it is larger than the sum of its proper divisors (222450334).

311430434 is a wasteful number, since it uses less digits than its factorization.

311430434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22245040.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 311430434 is about 17647.3917052917. The cubic root of 311430434 is about 677.8293195259.

Adding to 311430434 its reverse (434034113), we get a palindrome (745464547).

The spelling of 311430434 in words is "three hundred eleven million, four hundred thirty thousand, four hundred thirty-four".