2000311478 has 16 divisors (see below), whose sum is σ = 3334998096. Its totient is φ = 892076640.

The previous prime is 2000311361. The next prime is 2000311483. The reversal of 2000311478 is 8741130002.

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, 856601 + ... + 858932.

It is an arithmetic number, because the mean of its divisors is an integer number (208437381).

Almost surely, 2^2000311478 is an apocalyptic number.

2000311478 is a deficient number, since it is larger than the sum of its proper divisors (1334686618).

2000311478 is a wasteful number, since it uses less digits than its factorization.

2000311478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715599.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2000311478 is about 44724.8418443263. The cubic root of 2000311478 is about 1259.9864527812.

The spelling of 2000311478 in words is "two billion, three hundred eleven thousand, four hundred seventy-eight".