2931225947 has 16 divisors (see below), whose sum is σ = 3239903520. Its totient is φ = 2635345152.

The previous prime is 2931225919. The next prime is 2931225949. The reversal of 2931225947 is 7495221392.

It is a cyclic number.

It is not a de Polignac number, because 2931225947 - 2¹⁴ = 2931209563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2931225898 and 2931225907.

It is not an unprimeable number, because it can be changed into a prime (2931225949) 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, 58613 + ... + 96425.

It is an arithmetic number, because the mean of its divisors is an integer number (202493970).

Almost surely, 2^2931225947 is an apocalyptic number.

2931225947 is a deficient number, since it is larger than the sum of its proper divisors (308677573).

2931225947 is a wasteful number, since it uses less digits than its factorization.

2931225947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37982.

The product of its digits is 272160, while the sum is 44.

The square root of 2931225947 is about 54140.7974359447. The cubic root of 2931225947 is about 1431.1432243857.

The spelling of 2931225947 in words is "two billion, nine hundred thirty-one million, two hundred twenty-five thousand, nine hundred forty-seven".