2931427120 has 80 divisors (see below), whose sum is σ = 7017506208. Its totient is φ = 1137991680.

The previous prime is 2931427111. The next prime is 2931427123. The reversal of 2931427120 is 217241392.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2931427123) 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, 1452352 + ... + 1454368.

Almost surely, 2^2931427120 is an apocalyptic number.

2931427120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2931427120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3508753104).

2931427120 is an abundant number, since it is smaller than the sum of its proper divisors (4086079088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2931427120 is a wasteful number, since it uses less digits than its factorization.

2931427120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558 (or 2552 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2931427120 is about 54142.6552728992. The cubic root of 2931427120 is about 1431.1759639055.

The spelling of 2931427120 in words is "two billion, nine hundred thirty-one million, four hundred twenty-seven thousand, one hundred twenty".