4331311990 has 16 divisors (see below), whose sum is σ = 7814374848. Its totient is φ = 1728521856.

The previous prime is 4331311967. The next prime is 4331312039. The reversal of 4331311990 is 991131334.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495822 + ... + 504481.

It is an arithmetic number, because the mean of its divisors is an integer number (488398428).

Almost surely, 2^4331311990 is an apocalyptic number.

4331311990 is a deficient number, since it is larger than the sum of its proper divisors (3483062858).

4331311990 is a wasteful number, since it uses less digits than its factorization.

4331311990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000743.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 4331311990 is about 65812.7038648314. The cubic root of 4331311990 is about 1630.0708802780.

The spelling of 4331311990 in words is "four billion, three hundred thirty-one million, three hundred eleven thousand, nine hundred ninety".