2047309317 has 16 divisors (see below), whose sum is σ = 3137640000. Its totient is φ = 1317807792.

The previous prime is 2047309241. The next prime is 2047309321. The reversal of 2047309317 is 7139037402.

It is not a de Polignac number, because 2047309317 - 2²⁸ = 1778873861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047309357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306567 + ... + 1308132.

It is an arithmetic number, because the mean of its divisors is an integer number (196102500).

Almost surely, 2^2047309317 is an apocalyptic number.

2047309317 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2047309317 is a deficient number, since it is larger than the sum of its proper divisors (1090330683).

2047309317 is a wasteful number, since it uses less digits than its factorization.

2047309317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614737 (or 2614731 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 2047309317 is about 45247.2023113032. The cubic root of 2047309317 is about 1269.7780662887.

It can be divided in two parts, 2047 and 309317, that added together give a square (311364 = 558²).

The spelling of 2047309317 in words is "two billion, forty-seven million, three hundred nine thousand, three hundred seventeen".